
Swirl sign/ Black hole sign - Hyperacute on chronic hematoma


Vein of Labbe Thrombosis
Most common site of traumatic thoracic aortic injury?
Aortic Isthmus
BCC of the skin at young age, odontogenic keratocysts, meningiomas, medulloblastomas, ovarian fibromas, and cardiac fibromas.
Gorlin Syndrome : PTCH1 gene on chrom 9q.
Name 2 disorders associated with this

MCP joint space narrowing, hooked osteophytes
Hemochromotosis - more common
CCPD
Describe the sign and diagnosis

Triple sign On T2 - SYNOVIAL SARCOMA -hyperintense, intermediate and hypo intense component: necrotic/cystic, soft tissue and calcs
Diagnosis
Esthesioneuroblastoma
olfactory neuroblastoma, peritumoral cysts, Dumbell shaped
Name 3 causative organisms that are associated with Empyema necessitans

Mycobacterium TB
Actinomyces
Blasto
Mucor
Aspergillus
Nocardia
Type of renal malignancy associated with this:



VHL
Clear Cell RCC
Other assocs: Renal AMLs, pancreatic NET, Serous Cystadenoma, CNS hemangioblastomas, choroid plexus papilloma, Endolymphatic sac tumors
Dx and syndrome association
Serous cystadenoma
VHL
Describe this sign and most likely diagnosis
Hummingbird sign - significant atrophy of the midbrain
Progressive Supranuclear palsy
Location of lesions affecting this region is believed to be specific/characteristic for MS
Callososeptal interface



Diagnosis in immunocompromised? Which Nucs study is Negative and which is Positive?
Kaposis
Thallium +
Gallium -


Wegner's (Granulomatosis with polyangiitis)
- Subglottic involvement
- cavitary nodules
- Necrotizing glomerulonephritis
- CNS vasculitis
Dx in patient with hx of psych condition

Lithium tox:
nephrogenic diabetes insipidus
Chronic nephropathy, cysts
Sign and Dx

ATOLL sign - central GG w/ surrounding consolidation

Multiple ddx:
Mucormycosis
Invasive aspergillosis
COP
Dx and syndrome


Endolymphatic sac tumor: Slow growing tumor within the vestibular aquaduct which contains the endolymphatic duct and sac. Locally aggressive but does not tend to metastasize
VHL
Dx

Anomalous left coronary artery from the pulmonary artery (ALCAPA)
AKA - Bland-White-Garland syndrome (BWG)


Birt-Hogg-Dubé syndrome
Skin Lesions
Varying size/shape, lenticular lung cysts (lower lung predominance)
Renal Cancer (chromophobe) and oncocytoma
Does one need to stop breastfeeding after I-131 scan? And if yes, for how long?
NOPE
I – 131: STOP
I – 123: Can resume breast feeding after 2-3 days.
Tc99: 24 hours
Thallium: 96 hours (4 days)
Indium: 1 week
Sign and Dx

Tram track Sign
Sturge Weber
Describe findings, diagnosis and the name associated sign:



Chasing the dragon
Heroin-induced leukoencephalopathy
widespread symmetric white matter signal change involving both supra- and infratentorial compartment: Posterior limb of internal capsule extending along coritcospinal tracts, Cerebellar Vermis
- Spares anterior limb of IC

Associated clinical symptom and syndrome associated with this mass
Solitary fibrous tumor of the pleura
Hypoglycemia due to insulin-like growth factor 2 production
Doege Potter syndrome

Dx, associated syndrome and most common associated malignancy
Lhermitte-Duclos disease (dysplastic cerebellar gangliocytoma)
Cowden's
Breast Cancer
Name 3 anomalies associated with unilateral renal agenesis.
Pancake adrenal
Unicornuate uterus
Gartner duct cyst
Ipsi absence of epididymis and vas deferens. Ipsi seminal vesicle cyst
compensatory hypertrophy of the contralateral kidney