Possible Causes for posterior mediastinal mass Diaphragmatic Hernia Abstract Posttraumatic diaphragmatic hernia is a rare cause of large bowel obstruction, and can present weeks or years after the initial trauma. Herein, we report the case of a 28-year-old man who presented with signs and symptoms of bowel obstruction nine months after he had a stab wound to his left chest.[…] [ncbi.nlm.nih.gov] Teratoma A further fetus had a 3 cm mediastinal mass attached to the pericardium; teratoma was confirmed on autopsy following termination. [dictionary.cambridge.org] […] sulci when the locations of specific mediastinal masses are defined. [emedicine.com] Typically, intrapericardial teratomas are located anteriorly and to the right of the heart and great vessels, often displacing the heart leftward and posterior. [dictionary.cambridge.org] Neurofibroma We report the ultrasound, computerized tomography, positron emission tomography and magnetic resonance imaging findings of a 38-year-old man with a biopsy proven solitary neurofibroma of the spermatic cord. Solitary neurofibromas of the male genital tract are exceedingly rare benign peripheral nerve sheath[…] [ncbi.nlm.nih.gov] Mediastinal Neoplasm mediastinal mass points to a neural tumor in a kid rather than a met from somewhere else Posterior mediastinal neurofibromas are only rarely associated with neurofibromatosis [learningradiology.com] Neuroenteric cyst mediastinal When both neurological and gastro-intestinal abnormality insisted mass formation cause posterior mediastinum mass. [cancerwall.com] Key Points Although usually presenting as an anterior mediastinal mass, primary mediastinal seminomas may present as a mass in the posterior mediastinum. [pulmonarychronicles.com] Ganglioneuroma The differential depends on location; for thoracic lesions, consider the differential for a posterior mediastinal mass. [radiopaedia.org] On evaluation with computed tomography scan of the chest, he was found to have a large 16 x 14 cm posterior mediastinal mass compressing the inferior vena cava and liver, [ncbi.nlm.nih.gov] An asymptomatic 66-year-old Japanese woman with no significant past medical history was referred for the evaluation of a posterior mediastinal mass. [ncbi.nlm.nih.gov] Mediastinal Bronchogenic Cyst Chest radiography showed a posterior mediastinal mass and a computed tomographic scan of the chest revealed, in addition, an abnormality suggestive of pulmonary sequestration [ncbi.nlm.nih.gov] About Mediastinal Masses The mediastinum has three different compartments: anterior, middle, and posterior, and different tumors, cysts, and masses tend to develop from one [utswmedicine.org] […] in the lymph nodes Pericardial cysts: Fluid-filled cyst next to the pericardial sac Tracheal tumors Posterior mediastinal masses include: Extramedullary hematopoiesis: A [utswmedicine.org] Dissecting Aortic Aneurysm Herz. 1987 Jun;12(3):187-93. Abstract Real-time color flow mapping by two-dimensional Doppler has now come into widespread use. However, its application via conventional transcutaneous approaches to dissecting aortic aneurysm has some limitations where visualization of the descending aorta is concerned. Its[…] [ncbi.nlm.nih.gov] Mediastinal Disease About Mediastinal Masses The mediastinum has three different compartments: anterior, middle, and posterior, and different tumors, cysts, and masses tend to develop from one [utswmedicine.org] Thus, there is a specific differential diagnosis for each compartment: thoracic inlet masses anterior mediastinal masses middle mediastinal masses posterior mediastinal masses [radiopaedia.org] The mediastinum is divided into three parts: Front (anterior) Middle Back (posterior) Mediastinal masses, abnormal masses such as cysts and tumors, can form in the mediastinum [msdmanuals.com] Esophageal Leiomyoma Esophageal leiomyomas should be kept in mind in patients with posterior mediastinal masses with dyspeptic complaints that do not respond to medical treatment. [ingentaconnect.com] Radiological examination (chest x-ray and computed tomography scan) showed a partly calcified right posterior mediastinal mass. [ncbi.nlm.nih.gov] Esophageal leiomyomas can be seen as a posterior mediastinal mass on chest radiographs, but the radiological findings can be viewed as coincidental. [tgkdc.dergisi.org] Benign Hemangioendothelioma The CT findings that aid in the differential diagnosis of this and other posterior mediastinal masses are discussed. [ncbi.nlm.nih.gov] We report a case of benign hemangioendothelioma of infancy extending from the deep soft tissues of the neck to involve the entire longitudinal extent of the right posterior [ncbi.nlm.nih.gov] Thoracic Neuroblastoma A posterior mediastinal mass was diagnosed on incidental chest roentgenograms performed for nontumor-related symptoms in 49% of the cases. [ncbi.nlm.nih.gov] mediastinal mass in children Clinical Findings Age at presentation 1 year – 40%, good prognosis 1-2 years – 35% 2 years – 25% Older patients, metastatic disease - poor prognosis [learningradiology.com] Posterior Mediastinal masses Posterior mediastinal masses are of neural origin in approximately 95 % of cases and may arise from sympathetic ganglion cells (neuroblastoma, [radiologyassistant.nl] Mediastinopericarditis mass : anterior to the pericardium middle mediastinal mass : within the pericardium posterior mediastinal mass : posterior to the pericardium Promoted articles (advertising [radiopaedia.org] About Mediastinal Masses The mediastinum has three different compartments: anterior, middle, and posterior, and different tumors, cysts, and masses tend to develop from one [utswmedicine.org] Chest X-ray may reveal cardiac enlargement, pleural effusion (most commonly left-sided), posterior mediastinal mass or retrocardiac mass [ 9 ]. [pancreas.imedpub.com] Bronchial Compression Anterior mediastinal masses often prove to be more difficult to manage, whereas posterior mediastinal masses seldom lead to airway complications. [1] We have described the [annals.in] Fig. 1. ( A ) Chest computed tomography scan showing a large anterior mediastinal mass (MM) causing posterior displacement of the aortic arch (AA) and trachea. [anesthesiology.pubs.asahq.org] Abstract Large posterior mediastinal masses may lead threatening complications such as critical tracheobronchial compression. [annals.in] Mediastinal Hernia mediastinal mass Posterior mediastinal masses Posterior mediastinal mass Paravertebral masses Differential for a posterior mediastinal mass Support Radiopaedia and see fewer [radiopaedia.org] Posterior mediastinal masses(25%). 1- Neurogenic tumours. 2- Pharyngio-esophygeal pouch. 3- Descending thoracic aortic aneurysm. 4- Hiatus hernia. 5- Esophageal lesions. 6 [de.slideshare.net] Mediastinal Masses are divided into those that are located in the anterior, middle or posterior of the mediastinum. [universitymds.com] Ganglioneuroblastoma Ganglioneuroblastoma, although a rare neoplasm, is one of the most common causes of posterior mediastinal masses in children. [ncbi.nlm.nih.gov] Case Discussion The differential diagnosis of a posterior mediastinal mass is fairly wide, but at this age, the sympathetic chain tumors predominate. [radiopaedia.org] (b) Lateral chest radiograph helps confirm the posterior mediastinal mass (arrows). [pubs.rsna.org] Harlequin Syndrome (A) Chest computed tomography showed a well-defined right posterior mediastinal mass measuring 4 cm. [ncbi.nlm.nih.gov] The mass was in the right posterior mediastinum, was located at the T2–T5 level of the spine, and did not extend to the neural foramen. [e-sciencecentral.org] Here, we present the case of a 6-year-old patient who developed this unusual syndrome following the resection of a posterior mediastinal mass... [readbyqxmd.com] Goiter Figure 1 Computed Tomography of the chest showing a 9 cm posterior mediastinal mass (yellow arrow) compromising the tracheal lumen (red arrow). [casesjournal.biomedcentral.com] He was found on computer tomography (CT) scan to have a large 9 cm posterior mediastinal mass adjacent to the trachea and displacing the esophagus. [casesjournal.biomedcentral.com] Keywords Goiter Thymoma Mediastinal Mass Posterior Mediastinum Substernal Goiter Case presentation A 59-year-old African-American man with past medical history significant [casesjournal.biomedcentral.com] Esophageal Duplication Plain radiograph On plain chest radiographs, they are usually seen as rounded fluid / soft tissue density posterior mediastinal masses. [radiopaedia.org] Chest radiography was done and showed left posterior mediastinal mass. [najms.org] EDCs mainly elongate in the thoracic segment of the esophagus, accounting for 30% of posterior mediastinal masses in children. [journals.lww.com] Mediastinal Metastasis Figure 1: Contrast CT (A– C) of thorax: multiple secondaries in both lungs with a posterior mediastinal nodal mass and enlarged precarinal nodes. [sjkdt.org] Posterior Mediastinal masses Posterior mediastinal masses are of neural origin in approximately 95 % of cases and may arise from sympathetic ganglion cells (neuroblastoma, [radiologyassistant.nl] Don't forget lymphadenopathy, the vertebrae and the descending thoracic aorta as potential causes for posterior mediastinal masses. [radiologyassistant.nl] Sarcoma of the Lung Halefoglu AM (2012) Extraskeletal Ewing’s Sarcoma Presenting as a Posterior Mediastinal Mass Arch Bronconeumol [epub ahead of print] DOI: 10.1016/j.arbres.2012.02.020 PMID [ecancer.org] Upper Gastrointestinal Bleeding Lateral skiagram of the chest showed a posterior mediastinal mass. CT scan of the chest revealed a ruptured aortic aneurysm into the oesophagus, confirmed the diagnosis. [ncbi.nlm.nih.gov] Hemangioblastoma CASE DESCRIPTION: We report a rare case of a completely extradural large hemangioblastoma in a 32-year-old man presenting with radiculopathy and a posterior mediastinal mass [ncbi.nlm.nih.gov] Pulmonary Edema A post-operative computed tomography scan revealed a posterior mediastinal cystic mass abutting the tracheal bifurcation. [ncbi.nlm.nih.gov] Lymph Node Hyperplasia Computed tomography scan showed a posterior mediastinal mass. [ncbi.nlm.nih.gov] For thoracic lesions consider: if anterosuperior, consider: differential for an anterosuperior mediastinal mass if posterior, consider: differential for a posterior mediastinal [radiopaedia.org] POSTERIOR MEDIASTINAL LYMPH NODE - Multicentric variant Castleman's disease 10. PERINEURAL INVASION - No abnormal lymphocytic infiltrates seen 11. [hemepathreview.com] Pleuropulmonary Blastoma Pleuropulmonary blastoma of the lung presenting as posterior mediastinal mass: a case report. [e-immunohistochemistry.info] Hamdy and John Antonious, Pleuropulmonary Blastoma of the Lung Presenting as Posterior Mediastinal Mass: A Case Report, Pediatric Hematology and Oncology, 14, 5, (475), (1997 [doi.org] Chest CT scan revealed a residual mass in the posterior mediastinum (Fig. 1C). [academic.oup.com] Gliosarcoma mediastinal mass. [ncbi.nlm.nih.gov] […] features of a gliosarcoma metastatic to an extracranial location accompanied by corresponding clinico-radiologic and histopathologic findings in a 51-year-old man with a posterior [ncbi.nlm.nih.gov] Leydig Cell Tumor of the Testis mass (as opposed to a posterior mediastinal mass, which is usually metastatic) or centrally located retroperitoneal (as opposed to lateralized masses seen in metastatic disease [en.wikibooks.org] Figure 1: Contrast CT (A– C) of thorax: multiple secondaries in both lungs with a posterior mediastinal nodal mass and enlarged precarinal nodes. [sjkdt.org] […] concentrated Epididymis sperm maturation and storage Natural history [ edit ] 10% of germ cell tumors may arise in non-gonadal sites, in which case it is usually an anterior mediastinal [en.wikibooks.org] Pulmonary Blastoma Pleuropulmonary blastoma of the lung presenting as posterior mediastinal mass: a case report. [e-immunohistochemistry.info] Benign Fibrous Mesothelioma of the Pleura […] overlay sign) indicating its posterior mediastinal location. [en.wikipedia.org] A posterior paraspinal location might suggest a neurogenic tumor, while a more anterior and para-mediastinal location might raise the possibility of a thymic neoplasm, germ [pagepress.org] This axial CT image with intravenous contrast (same patient as in the above chest radiograph) reveals what appears to be a posterior mediastinal mass, which was surgically [en.wikipedia.org] Philadelphia Chromosome Positive Chronic Myeloid Leukemia Abstract A previously healthy 11 year-old-white boy presented with persistent mild leukocytosis and a posterior mediastinal mass. [ncbi.nlm.nih.gov] Bone marrow aspirate for cytogenetics performed in the evaluation of the posterior mediastinal mass showed the presence of the Philadelphia chromosome (Ph) in 19 of 20 metaphase [ncbi.nlm.nih.gov]
