A Bulge, a Rash, and Constipation

A 78-year-old man presents with constipation and a flank bulge 8 days after a Herpes zoster diagnosis. Learn about this rare motor complication of shingles.

Postherpetic abdominal pseudohernia


A 78-year-old man presented to primary care clinic with a 5-day history of constipation and flank bulge. On physical examination, scabbed lesions were seen along the T12 dermatome. There was also an outpouching of the left lower abdominal wall without any underlying masses or fascial defects. Computed tomography of the abdomen was notable only for a protrusion of the left lower abdominal wall. What is the diagnosis?

What is the most likely diagnosis?

Abdominal wall hernia
Diastasis recti
Lower thoracic disc herniation
Postherpetic abdominal pseudohernia
Seroma

Abdominal wall paralysis, Herpes zoster, Motor neuropathy, Postherpetic abdominal pseudohernia, T12 dermatome

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