Variations in Visceral Anatomy — Flashcards

Flashcard 1: Tortuosity of the _____ artery is an anomaly present in front of the origin of the cystic duct known as caterpillar turn or Moynihan's hump.

Answer: right hepatic

Flashcard 2: Pancreas _____ is a congenital malformation in which the ventral and dorsal parts fail to fuse at 8 weeks

Answer: divisum

Flashcard 3: When both the superior and inferior poles of the kidneys are fused, it is referred to as a _____

Answer: Pancake kidney (or Discoid kidney)

Extra: • **Horseshoe kidney**: Most common fusion anomaly; usually the inferior poles are fused. • **Pancake (Discoid) kidney**: Both the superior and inferior poles of the kidneys are fused, forming a ring-like or disc-like mass. • **Sigmoid (S-shaped) kidney**: A type of crossed-fused ectopia where the superior pole of the ectopic kidney is fused with the inferior pole of the other kidney.

Flashcard 4: Anomalies associated with biliary atresia include: - _____ - Situs inversus - Absent vena cava - _____ portal vein

Answer: 1. Polysplenia 2. Preduodenal

Flashcard 5: An **aberrant right subclavian artery** (arteria lusoria) is an incomplete _____ that may present with dysphagia (dysphagia lusoria) due to esophageal compression.

Answer: vascular ring

Flashcard 6: The most common anomaly of the hepatic artery is replaced right hepatic artery arising from the _____ artery

Answer: superior mesenteric

Flashcard 7: Azygous lobe is a portion of the _____ lobe of the lung

Answer: superior

Flashcard 8: _____ is an epithelial-lined median recess found within the adenoid mass and extends from pharyngeal mucosa to the periosteum of the basiocciput.

Answer: Thornwaldt cyst

Flashcard 9: Identify the type of hymen: _____

Answer: Cribriform

Flashcard 10: Identify the type of hymen: _____

Answer: Septate