Medical OSCES

Medical OSCES for medical students and PG Doctors

Radiology Synovial Cyst of the Lumbar Spine

Synovial Cyst of the Lumbar Spine

Findings:
- Low T1, high T2 extradural lesion contiguous with the facet joint
- Surrounding enhancement
- Mass effect
Associated with degenerated joints – 75% at L4-5
Typically posterolateral
Contents variable – clear fluid, calcium, hemorrhage
ddx:
- Migrated herniated disc
- Perineural cyst (close to nerve root)
- Schwannoma (low sig capsule)
- Hematoma

Name the arrowed structure ?

Left Ventricle
SVC obstruction

•Findings: –Contrast-enhanced CT shows intense enhancement of the medial segment of the left lobe = “liver hot spot” sign –Collateral ve...
Pancreatic pseudocysts

•Findings: –Multiple large pancreatic cystic lesions •ddx: –Von-Hippel Lindau –Cystic pancreatic neoplasm
Adrenal adenoma

•Findings: –Large right adrenal lesion –Isointense to liver on in-phase scan –Hypointense to liver (signal loss) on out-of-phase scan ...

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