Posterior mediastinal mass

Posterior mediastinal masses are usually asymptomatic and are best diagnosed by cross sectional imaging. In this case, imaging findings were of a mass lesion with heterogeneous and delayed enhancement with erosion and aneurysm formation of the descending aorta, thereby favoring a neoplastic etiology Solid mediastinal masses in infancy and childhood occur most frequently in the posterior mediastinum. From 1972 to 1989, 63 patients presented with a posterior mediastinal mass. The median age at diagnosis was 6 years (range, 1 day to 26 years). Thirty patients were female

The differential diagnosis for a posterior mediastinal mass includes: neoplasm. neurogenic tumours: most common nerve sheath tumours. schwannoma; neurofibroma; malignant peripheral nerve sheath tumour; parasympathetic ganglion tumours. paraganglioma chemodectoma; phaeochromocytoma 3; sympathetic chain tumours. neuroblastoma; ganglioneuroblastoma; ganglioneurom Neurogenic tumors make up 75% of primary posterior mediastinal tumors. Nearly all mediastinal neurogenic tumors are located in the posterior mediastinum (90%-95%). Nerve sheath tumors are more common in adults and are usually benign. Ganglion tumors are more common in children and often are malignant Posterior Mediastinal Mass Abstract Neural tumors are the most common primary tumors in the posterior mediastinum, but metastases, lymphoma, and primary bone tumors do occur in this location Causes of posterior mediastinal masses include esophageal lesions, congenital or acquired vascular lesions, foregut cysts, intrathoracic goiters, mediastinal pseudocysts, fat-containing tumors, adenopathy, neurogenic tumors, infectious spondylitis, and vertebral tumors

Posterior mediastinal masses Thymoma: The most common anterior mass is a thymoma. There are different types of thymomas. They are generally seen on CT as a round, encapsulated mass, and rarely recur Most masses in the posterior mediastinum are neurogenic in nature. These can arise from the sympathetic ganglia (eg neuroblastoma) or from the nerve roots (eg schwannoma or neurofibroma). Don't forget lymphadenopathy, the vertebrae and the descending thoracic aorta as potential causes for posterior mediastinal masses Mediastinal mass may be cancerous or benign in nature, which is formed in the chest wall present between the two lungs. Due to the site is termed as mediastinum, so the name of the mass is medically termed as mediastinal mass. mediastinum anterior middle posterior. Mediastinum Location AND Organs

Posterior Mediastinal Mass - JAOC

  1. Rare Cause of a Posterior Mediastinal Mass Diagnosed at Endobronchial Ultrasound BMJ Case Rep . 2019 Jan 10;12(1):bcr-2018-228437. doi: 10.1136/bcr-2018-228437
  2. Posterior mediastinal masses are usually asymptomatic and are best diagnosed by cross sectional imaging. In this case, imaging findings were of a mass lesion with heterogeneous and delayed enhancement with erosion and aneurysm formation of the descending aorta, thereby favoring a neoplastic etiology. The tumor did not involve the esophagus o
  3. Posterior mediastinal mass A large round area of increased density indicates the presence of a soft tissue mass in the region of the left hilum The left heart border (adjacent to the anterior mediastinum) remains well defined Vessels of the left hilum area - including the left pulmonary artery (middle mediastinum) - also remain well define
  4. In children, tumors are commonly found in the posterior (back) mediastinum. These mediastinal tumors often begin in the nerves and are typically not cancerous. In adults, most mediastinal tumors occur in the anterior (front) mediastinum and are generally malignant (cancerous) lymphomas or thymomas. Is a mediastinal tumor serious

Posterior mediastinal mass in asymptomatic elderly patient. Dyspnea, retrosternal chest pain and epigastric discomfort. Radiologiy: 1. Plain film: A round soft tissue mass containing an air fluid level directed behind the heart. In 70% it lies to the left of midline in the posterior mediastinum. 2. Barium meal A 9-month-old infant develops respiratory distress and is found to have a left posterior mediastinal mass and pleural effusion. On excision, the specimen consists of a smoothly lobulated, well-circumscribed mass measuring 5.0 x 3.5 x 1.7 cm. Immunohistochemistry reveals the tumor to be positive for NSE and chromogranin and negative for CD45 and desmin Images in Clinical Medicine from The New England Journal of Medicine — Posterior Mediastinal Mass

Posterior mediastinal masses - PubMe

Posterior Mediastinal Masses Menu. The mediastinum consists of most parts of the chest that are not taken up by the lungs or the heart and its associated large blood vessels. It is an area that in healthy individuals is filled with fatty tissue, connective tissue, lymph node tissue, and an organ called the thymus.. Fifty percent of mediastinal masses occur in the anterior compartment, the most common of which are thymoma, teratoma, thyroid goiter, and lymphoma. Middle mediastinal masses typically include congenital cysts, while posterior mediastinal masses are often neurogenic tumors, such as schwannomas Although most posterior mediastinal masses in the pediatric population are sympathetic ganglion tumors, some reflect benign (schwannoma, neurofibroma) (Figs. 35A and 35B) or malignant peripheral nerve sheath tumor. Malignant peripheral nerve sheath tumors are highly cellular pleomorphic spindle cell sarcomas of nerve sheath origin A mediastinal tumor is a tumor in the mediastinum, the cavity that separates the lungs from the rest of the chest. It contains the heart, esophagus, trachea, thymus, and aorta.The most common mediastinal masses are neurogenic tumors (20% of mediastinal tumors), usually found in the posterior mediastinum, followed by thymoma (15-20%) located in the anterior mediastinum The workup of a patient with a posterior mediastinal mass must begin with a thorough physical examination and accurate history. A review of symptoms may detect evidence of local growth or invasion (e.g., pain, dyspnea, stridor, cough, dysphagia, neuropathy, or Horner syndrome), bioactivity (e.g., catecholamine, vasoactive intestinal peptide, or.

Chest CT: an ovoid cystic mass sized 5.5 cm × 4.0 cm was found at the right posterior inferior mediastinum. The lesion had homogenous density and smooth margin ( Figure 1 ). Figure 1 Chest CT shows a mass in the in the right posterior inferior mediastinum Mediastinal tumors are uncommon and often asymptomatic if benign. Tumors have a predilection for arising in one of three mediastinal compartments; anterior, middle, or posterior When referred an adult patient with a posterior mediastinal mass, a thoracic surgeon will usually envision a rather simple operation for its removal. Indeed, this is commonly the case as most tumors in this location are benign schwannomas, which are relatively avascular and usually quite easy to separate from the spine. The primary approach for these tumors is often a minimally invasive one.

The Radiology Assistant : Pediatric Chest CT 1

Endoscopic ultrasonography showing a mass in the posterior mediastinum, measuring 70 × 80 mm. Figure 3.: Spindle cell neoplasm with prominent nuclei and eosinophilic cytoplasm; the neoplastic cells have prominent nuclei and nucleoli with rare mitotic figures (hematoxylin and eosin stain, 400× magnification, endoscopic ultrasound-guided fine. CT will depict the lesion as a posterior mediastinal mass, with heterogeneous enhancement and, almost always, calcifications.[1,2] Approximately 90% of posterior mediastinal lesions have a neurogenic origin, with neuroblastoma being the most common in paediatric age.[4,6] Yet, imaging's role goes beyond diagnosis.[3

A 30-year-old man presented with chest pressure, shortness of breath, severe dyspnea on exertion, dysphagia, odynophagia, and weight loss. He had undergone orchiectomy 3 years earlier for testicula.. Posterior mediastinal masses traditionally have been suggested to carry a low risk of anesthetic implications.1We present the case of a patient with a posterior mediastinal mass who experienced hemodynamic and respiratory decompensation upon induction of general anesthesia and required urgent transition to cardiopulmonary bypass (CPB) Sonawane et al. Posterior mediastinal mass management 91 ted in paediatric intensive care unit (PICU). Child was extubated after 34 hours and shifted to ward on day 3. Right intercostal drain was removed on post-operative day 6. Discussion and conclusion Mediastinal masses are known to be a nightmare for anaesthesiologists We suspected it as a posterior mediastinal mass and a MRI (figure 3 A, B) was advised to see for extension of lesions which revealed-well circumscribed heterogeneously enhancing extra pleural soft tissue mass measuring 6×5.1×6.4 cm seen in right paravertebral region from D6 to D8 vertebral levels.It was indenting the underlying lung parenchyma with apparent involvement

The mediastinum can be separated into anterior, middle, and posterior components. Mediastinal masses in children are often symptomatic and can have a varied symptomatology and etiology. The most common symptoms at presentation are dyspnea, cough, fever, aching pain and general malaise. Children may also present with recurrent pulmonary infections The posterior mediastinal mass (6.5 × 4.0 × 3.0 cm) was successfully resected using lateral thoracotomy (Fig. 2a). The patient's systolic blood pressure increased to more than 200 mmHg during resection, and temporarily dropped to 60 mmHg after resection, both of which were controlled with intravenous injections of a short-acting calcium. A follow-up chest CT with contrast revealed a posterior mediastinal mass measuring 5.4 cm x 3.6 cm in size with well-circumscribed borders. The patient was referred to cardiothoracic surgery for complete excision of the mass. She underwent robotic-assisted posterior mediastinal mass resection

The mediastinum is the area in the middle part of the chest. It is the space behind the sternum (breast bone) and in front of the spine (back bone) between the lungs. It extends from the neck to the diaphragm. The mediastinum is usually separated into three areas: anterior, middle, and posterior. In general, mediastinal tumors are rare 1. To summarize and describe the different types of posterior mediastinal masses (PMMs); 2. To illustrate the various radiological features of the PMMs using CT/MRI and/or chest X-ray; 3. To highlight the problems in the differential diagnosis of the PMMs. Background The posterior mediastinum continues to represent a debated subject, not only.

We present a case of a posterior mediastinal mass diagnosed as GIST after being found to be CD117 positive, later found to be a metastatic leiomyosarcoma. Free full text . ACG Case Rep J. 2021 Jul; 8(7): e00606. Published online 2021 Jul 2. doi: 10.14309/crj.0000000000000606 Mediastinal mass may cause a variety of symptoms by the mass pressing against surrounding mediastinal structures, collectively known as mediastinal syndrome. Mediastinal may can be differentiated depending on their location in mediastinal cavity into: Anterior mediastinal mass , middle mediastinal mass , or posterior mediastinal mass

What is a mediastinal mass? Tannous. Mediastinal tumors are benign or cancerous growths that form in the mediastinum; that is, the area in the middle of the chest between the sternum (breastbone) and spinal column. The mediastinum, which separates the lungs, houses the heart, esophagus, trachea, great vessels, thymus, and lymph nodes Posterior-anterior chest x-ray (CXR) demonstrating left-sided mediastinal mass (arrows). An abnormality was noted in the left mediastinum which prompted his physician to order a computed tomography (CT) of the chest and to refer him to a pulmonary specialist Clinical history The patient is a 58-year-old female who is radiologically followed for a posterior mediastinal mass discovered incidentally in 2014. The last imaging studies reveal a right paravertebral 2,0 x 1,5 cm mass at T9, with SUV of 5.0 (Figure 1), and the mass is surgically resected. Figure 1: Right paravertebral mass, computed tomography scan

There is a posterior mediastinal mass seen on the frontal (white arrow) and lateral views (white arrow). The mass lies in the paravertebral gutter. There are also multiple subcutaneous nodules superimposed on the chest (red arrows) from subcutaneous neurofibromas Mediastinum 1-Anterior Mediastinal Masses 2-Middle Mediastinal Masses 3-Posterior Mediastinal Masses 5. Mediastinal lines or stripes are interfaces between the soft tissue of mediastinal structures and the lung, the aortopulmonary window is the interface below the aorta and above the pulmonary trunk and is concave or straight laterally 6 However, there was a large mediastinal mass severely compressing the posterior wall of the left atrium (Figure 1). A subsequent CT scan demonstrated a well circumscribed posterior mediastinal mass, located anterior to the aorta and extending toward the right side. Its largest diameter was 5.8 cm The approach to a patient with a mediastinal mass will be reviewed here, including planning the diagnostic workup as well as initial therapy. In addition, a brief overview of the most common causes of mediastinal masses is presented. Detailed discussions of those pathologic processes are presented separately, as noted below. INITIAL PRESENTATIO Mass is in posterior mediastinum. It remains sharply outlined in apex of thorax, indicating that it is surrounded by lung. This particular example is a ganglioneuroma 14. Thoracoabdominal sign • A sharply marginated mediastinal mass seen through the diaphragm must lie entirely within the chest

A chest roentgenogram revealed a large retrotracheal posterior mediastinal mass (Fig 1A). Computed tomographic scan of the chest demonstrated a homogeneous, 7-cm posterior mediastinal mass m conti- nuity with the cervical thyroid, which extended to the level of the left atrium (Figure 1B) Video-assisted thoracoscopic surgery (VATS), a minimally invasive surgical technique, is a valuable tool in the diagnosis and management of mediastinal masses. Almost all traditionally open procedures can be performed via VATS, including thymectomy, duplication cyst excision, pericardial cyst excision, and posterior mediastinal mass resection

11/4/16 Intern Morning Report – Mediastinal Mass

posterior mediastinal mass. Large right axillary mass is partially imaged. Lateral Thoracic Meningocele. 32 year old woman with neurofibromatosis type 1. PA chest radiograph shows a mass in the apex of the right hemithorax with obtuse margins relative to the mediastinal contours (arrow). Thi Anterior Mediastinal Mass/The mediastinum is an anatomical space between the lungs that houses the thymus, heart, large blood vessels, lymp Skip to content +880172309686

Posterior mediastinal mass on CXR. Sympathetic ganglia tumors are rare tumors of nerve cell origin that range from being slow-growing to highly malignant. These tumors typically appear as well-circumscribed masses along the anterior spine in the region of the sympathetic ganglia Paragangliomas may rarely present as posterior mediastinal masses Schwannoma is the most common neurogenic tumor of the mediastinum; it is generally solitary and large, with cystic change or calcification common. Gender and Age Distribution 20% of all adult mediastinal neoplasms 40% of all pediatric mediastinal neoplasms. Clinical Feature Mediastinal masses are caused by a variety of cysts and tumors; likely causes differ by patient age and by location of the mass (anterior, middle, or posterior mediastinum). The masses may be asymptomatic (common in adults) or cause obstructive respiratory symptoms (more likely in children) In both asymptomatic and symptomatic children with mediastinal masses, imaging plays a crucial role in making the diagnosis and developing a treatment plan. As in adults, mediastinal masses in pediatric patients are placed in one of three mediastinal compartments (anterior, middle, posterior) on the basis of the lateral chest radiograph (Fig. Posterior Mediastinum. Neurogenic Mediastinal Neoplasms. These are derived from neural cells in any location but are commonly found in the mediastinum. These neurogenic tumors represent more than 60% of the masses found in the posterior mediastinum, are mostly found in children, and can reach a large size before becoming symptomatic

Mediastinal syndrome from plasmablastic lymphoma in human

The lower mediastinal pleural bulged and a mass adhered to surrounding tissue could be felt behind the esophagus and in front of the aorta. No obvious enlarged lymph nodes were found in the mediastinum. Mediastinal mass was diagnosed intraoperatively. Then, the posterior mediastinal pleura was open Schwannomas are one of the most common benign tumors arising from the peripheral nerve coverings. Posterior mediastinal tumors are mostly benign and most common type is neurogenic tumors accounting for 75% of the posterior mediastinal tumors.[] About 75-85% of these neurogenic tumors are schwannomas.[] Usually, posterior mediastinal schwannomas do not give rise to symptoms but giant. T. Broderick Thymoma, a type of mediastinal mass, presents as chest pain and cough. Mediastinal masses are tumors that develop at the front of the thorax, the part of the human body ranging from the diaphragm to the neck. The tumors that can grow in this area are associated with a handful of cancers

Note that most mediastinal mass deaths occur in children, because their airways are more compliant and they less commonly manifest symptoms. Obstruction of the tracheobronchial tree usually occurs at the level of the carina (in most cases, distal to the end of the ET tube). Flow volume loops may show a pattern characteristic of variable. a posterior mediastinal mass is an extremely uncommon condition. Ectopic thyroid tissue is a rare developmental abnormality that results from aberrant embryogenesis of the thyroid gland during its migration from the floor of the primitive foregut to pre-tracheal position. 2 Lingual thyroi

Mediastinal and Chest Wall Masses | Radiology Key

Accounting for 40% of mediastinal masses: (N) Sympathetic ganglion tumors = 95% of posterior mediastinal masses (neuroblastoma / ganglioneuroblastoma / ganglioneuroma)Neurofibroma; Bronchopulmonary foregut malformation (esophageal duplication, neurenteric cyst)Paraspinal abscess from diskitis / osteomyelitis (bacterial, tuberculous)Extramedullary hematopoiesi Herein, we describe the presentation and management of a posterior mediastinal angiolipoma in a woman with loss of consciousness. Chest computed tomography (CT) revealed a contrast-enhancing mass in the right posterior mediastinum, with intercostal arterial blood supply identified on three-dimensional reconstruction CT (3D-CT) Posterior (back) Mediastinal masses are most often found in the posterior (back) mediastinum. Even if a mediastinal mass is benign, it must be treated because it could cause serious complications if it grows into other organs, such as the heart, or presses on the spinal cord

Thymic lymphoid hyperplasia with Graves’ disease in a 28

Posterior Mediastinal Masses Thoracic Ke

The mediastinum is divided into the superior and inferior mediastinum, the latter of which is further subdivided into the anterior, middle, and posterior mediastinum. Inflammation of the mediastinum ( mediastinitis ) can result from spreading retropharyngeal infections or contamination from perforated mediastinal organs Mediastinal masses encompass a broad histopathological spectrum, ranging from benign to malignant. Fifty percent of mediastinal masses occur in the anterior compartment, the most common of which are thymoma, teratoma, thyroid goiter, and lymphoma. Middle mediastinal masses typically include congenital cysts, while posterior mediastinal masses. Posterior-mediastinal-mass Symptom Checker: Possible causes include Diaphragmatic Hernia. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search Ectopic mediastinal mass Mertol Gökçe 1, Volkan Baysungur 1, Mesut Demirel 2, Erdal Okur 1, Semih Halezeroğlu 1 1 Thoracic And Cardiovascular Diseases Training and Research Hospital, 1st Surgery Clinic, Istanbul 2 Aydin Regional Hospital, Aydin. Occurance of true primary mediastinal ectopic thyroid is extremely rare. It is seen in less than 1 % of all goiters Ectopic thyroid presenting as a posterior mediastinal mass is an extremely uncommon condition. Ectopic thyroid tissue is a rare developmental abnormality that results. from aberrant embryogenesis of the thyroid gland during its migration from the floor of the primitive foregut to pre-tracheal position.2 Lingual thyroid is the most common site.

Posterior Mediastinal Mass Radiology Ke

The mediastinum (from Medieval Latin: mediastinus, lit. 'midway') is the central compartment of the thoracic cavity.Surrounded by loose connective tissue, it is an undelineated region that contains a group of structures within the thorax, namely the heart and its vessels, the esophagus, the trachea, the phrenic and cardiac nerves, the thoracic duct, the thymus and the lymph nodes of the. 30100 Telegraph Road, Suite 408, Bingham Farms, Michigan 48025 (USA Posterior Mediastinal Mass. Tim Milligan November 12, 2015 Mediastinum. This patient has a well circumscribed mass in the posterior mediastinum. The valve of the lateral view is well depicted in this case; on the frontal radiograph there is no way to localize the lesion. The differential diagnosis for a posterior mediastinal mass includes

CT of posterior mediastinal masses

findings of right mediastinal mass since 2014 during work up for renal calculi. CT Scan showed heterogenous soft tissue mass in the posterior superior aspect of mediastinum measuring 4.0x3.7x5.7 cm. It was positioned at the right paratracheal region, with the most superior margin at the level of T2 and extending below just abov The patient's hospital admission chest radiograph was remarkable for the presence of a left-sided posterior mediastinal mass (Fig 1 and 2). This mass was demonstrated more clearly with an oblique view . In all views, the mass is indicated by the arrow Download royalty-free Posterior mediastinal mass stock photo 47224149 from Depositphotos collection of millions of premium high-resolution stock photos, vector images and illustrations We report the first case of posterior mediastinal adenomatoid tumor. A 37-year-old Caucasian woman presented with symptoms of bronchitis. Imaging studies identified a 2.0 cm posterior mediastinal mass abutting the T9 vertebral body, clinically and radiologically most consistent with schwannoma

Lines & mediastinal stripes 01

Mediastinal Tumor (Mass): Symptoms, Diagnosis and Stages

Article Contents ::1 Mediastinal Diseases2 Anterior mediastinum3 Middle mediastinum4 Posterior mediastinum5 Mediastinal masses6 SIGNS AND SYMPTOMS —7 RADIOLOGIC EVALUATION —8 Causes of Mediastinal Diseases are:9 Clinical features of Mediastinal Diseases :10 Treatment of Mediastinal Diseases : Mediastinal Diseases The mediastinum is the region between the two pleu­ral sacs i.e. the central. Posterior mediastinum masses can impinge on the esophagus and lead to dysphagia or odynophagia. Other symptoms that patients may complain about include cough, hemoptysis, hoarseness, and wheezing This article presents an algorithmic approach to the evaluation of posterior mediastinal masses seen with computed tomography (CT). CT remains the study of choice, since it not only can be used to help confirm the presence of these masses, but it also helps define the (a) location and extent of the lesion, (b) adjacent organ involvement, or (c) vascular involvement The differential diagnosis and the treatment approach to a mediastinal mass are dictated by its location (anterior, middle, or posterior mediastinum). A CT scan will help identify the location as well as the characteristics of the mass. All symptomatic masses of the mediastinum warrant resection. Posterior masses are most commonly neurogenic in.

The Radiology Assistant : Masses differential diagnosi

tumoral masses, posterior mediastinum can contain cystic lesions, vascular or spinal abnormalities (aortic aneurysm, varicose veins, lymphangioma or meningocele) and infectious or inflammatory diseases (paraspinal abscess, mediastinitis , sarcoidosis, lymphoid hyperplasia or pancreatic pseudocysts). Mediastinal foregut cysts are du The mediastinum is divided into three sections: Anterior (front) Middle Posterior (back) Mediastinal tumors are rare. The common location for tumors in the mediastinum depends on the age of the person. In children, tumors are more common in the posterior mediastinum. These tumors often begin in the nerves and are noncancerous (benign)

Mediastinal Mass - Anterior, Posterior, Superior, Symptoms

Chest X-ray and thoracic computed tomography (CT) scan revealed a left posterior mediastinal mass between the eighth and ninth vertebral level (T8 and T9; Fig. 1A). Figure 1: Open in new tab Download slide (A) Thoracic CT scan: The arrow shows a mediastinal mass at the T8, T9 vertebral level Abstract: Although most of the posterior mediastinal masses are found incidentally in adults, neurogenic tumors are the most common mediastinal tumors in children. The rate of malignancy may be as high as 50% in children, whereas, neurogenic tumors are almost always benign in adults. Open surgery is indicated in large-sized tumors (>6 cm), in the presence of a previous thoracic surgery, or. Anterior Mediastinal Mass/The mediastinum is an anatomical space between the lungs that houses the thymus, heart, large blood vessels, lymp Skip to content +880172309686 Figure 1 Coronal and axial views of posterior mediastinal mass. The mass was 2.4 cm by 2 cm at the fourth thoracic vertebral level. The mass was 2.4 cm by 2 cm at the fourth thoracic vertebral level. She had a past medical history consisting of arthritis, fibromyalgia and subarachnoid hemorrhage related to her accident

Rare Cause of a Posterior Mediastinal Mass Diagnosed at

A posterior mediastinal mass in a young child is most often of neurogenic origin, with neuroblastoma being the diagnosis of import. The avid enhancement of a hemangioma mitigates against thoracic neuroblastoma, which typically enhances much less (Fig. 5 ) [ 9 ] Anterior Mediastinal Mass (AMM) Background . The anterior mediastinal space is bordered by the sternum anteriorly, the middle mediastinum comprising the heart & great vessels posteriorly, the thoracic inlet superiorly, & the diaphragm inferiorly. The most frequent causes of AMMs are: Lymphoma Gross pathologic examination of the posterior mediastinal mass showed a grey lobulated mass measuring 8 × 9 × 7 cm (Figure 2). Routine histologic studies showed large sheets of epithelioid cells with abundant eosinophilic to clear cytoplasm. Focal spindle cell features and brown pigment were also present

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This procedure can afford access to areas of the anterior and middle mediastinum, but it is ill-suited as an approach to masses or structures of the posterior mediastinum. Posterior mediastinotomy This is a rarely used procedure for biopsy of some of the posteriorly situated lymph nodes or a mass in the paravertebral sulcus Posterior mediastinal masses are in the majority of cases represented by intrathoracic neurogenic tumors (75% to 95%), that count for about 19-39% of all mediastinal tumors (3,4). Malignancy rate is very low, reported in around 4% of the cases, and the lesions are often completely asymptomatic ( 3 , 5 ) posterior mediastinal mass can result into similar problems as of anterior mediastinal mass. In the rest of the article, we will discuss about the differences between anterior and posterior mediastinal masses, multidisciplinary team effort, airway management and the role of extracorporeal membrane oxygenator Anterior Mediastinal Mass: A Rare Presentation of Tuberculosis. Gopi C. Khilnani,1 Neetu Jain,1 Vijay Hadda,1 and Sudheer K. Arava2. 1Department of Medicine, All India Institute of Medical Sciences, New Delhi 110 028, India. 2Department of Pathology, All India Institute of Medical Sciences, New Delhi 110 028, India. Academic Editor: Peter Leggat The ability to visualize pulmonary vessels through the mass implies that it is located either anterior or posterior to the hilum, but not at the hilum. This is known as the hilum overlay sign. This x-ray elegantly demonstrates the features of an anterior mediastinal mass..