CHEST CORE 2 Flashcards
**Aorta is in posterior mediastinum, posterior mediastinal mass would silhouette the aorta
What is most common malignant mediastinal germ cell tumor?
Seminoma
Cervicothoracic sign?
Obscuration of the superior border of the mass implying mass is in continuity with the soft tissues of the neck
Key to diagnosing a thyroid lesion as an anterior mediastinal mass?
Continuity with the superior thyroid obviously
**Calcification is rare in untreated lymphoma.
Lymphoma most commonly in thorax?
Hodgkins
Egg shell calcification?
CWP and Silicosis = usually
Sarcoid = Less apt to calcify… but sarcoid is a more common dz
Low attenuation lymph nodes should raise concern for what?
TB.
Can also be seen in:
Fungal
Mets
Lymphoma sometimes
Avid lymph node enhancement?
Castleman disease.
Sarcoid.
TB.
Vascular mets.
What is castleman disease?
Angiofollicular lymph node hyperplasia
uncertain etiology
- cause of highly vascular thoracic lymph node enlargement
Who gets localized Castlemen and what is cure?
Children. Surgical resection.
Who gets multicentric Castleman disease?
Older patients or AIDS patients.
Symptoms of multicentric Castlemans? Treatment?
Systemic illness including fever, anemia, lymphoma. Treat with chemo.
Key imaging feature of Castlemans?
Avidly enhancing lymphadenopathy
Most common location of pericardial cyst? Appearnce.
R cardiophrenic angle. Cystic lesion abuts pericardium, can change shape.
Anterior mediastinal mass containing bowel gas?
Morgagni hernia
Foregut duplication cysts? What and where?
Middle or posterior mediastinum.
Bronchogenic cysts.
Esophageal duplication cysts.
Neurenteric cysts.
Most adult neurenteric cysts are what?
Peripheral nerve sheath tumors.
Most children neurenteric cysts are what?
Sympathetic ganglion origin.
3 types of ganglion tumors in children?
Ganglioneuroma.
Neuroblastoma.
Ganglioneuroblastoma.
Peripheral nerve sheath tumors in adults?
Schwannoma.
Neurofibroma.
Malignant peripheral nerve sheath tumor
Imaging of extramedullary hematopoiesis?
Bilateral lobulated paraspinal masses inferior to T6
Lateral meningocele is what?
Lateral herniation of spinal meninges through an iv foramen or a defect in the vertebral body
Lateral meningocele is associated with what?
NF