Crohn’s Disease of the Stomach: The "Ram’s Horn" Sign

Gastric syphilis: radiologic findings.

“…5). The appearance may mimic gastric Crohn's disease, resembling the "shofar" or "ram's horn" configuration described by Farman et al [7]. …”

Crohn's disease involving the proximal stomach

“…The ram's horn stomach represents a relatively late manifestation of the disease, corresponding to the stenotic phase of ileal and colonic involvement. The less severe changes reported in Farman's [1] series included "cobblestone" antral mucosa with ulceration and pyloroduodenal deformity with gastric outlet obstruction. All patients had ileal or colonic CD.…”

“…The incidence of gastric Crohn's Disease (CD) ranges from 0.5-4.0% in series which describe the typical "ram's horn" appearance [1] to between 20 and 40% in Laufer's series [2]. The ram's horn appearance is a tubular narrowing of the antrum, funnelling into the duodenum.…”

“…Crohn's disease of the stomach and esophagus is uncommon and may occur in patients with smallbowel or colonic disease [1]. The duodenum is usually involved as well.…”

“…The duodenum is usually involved as well. Gastric involvement by Crohn's disease often manifests as a narrow rigid antrum with "ram's horn" configuration [1]. Early lesions may be seen as aphthoid ulcerations [2,3].…”