Revealing handstand: an anal canal duplication

BMJ Case Reports 2026

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Authors: Catarina Tavares, Helena Pereira, Patricia A. de Campos Horta, Conceição Salgado
DOI: 10.1136/bcr-2025-270621
Cited by: 0
References: 5

Abstract

Anal canal duplication (ACD) is one of the rarest congenital anomalies of the gastrointestinal tract. It is defined as a second anal or perineal orifice located posterior to the native anus, forming a tubular tract that ends blindly and does not communicate with the anorectum. More than 90% of

Fields of Study & Subjects

Congenital gastrointestinal and neural anomalies Urological Disorders and Treatments Intestinal Malrotation and Obstruction Disorders

Publication details

Journal / source
BMJ Case Reports
Volume
19
Issue
1
Pages
e270621–e270621
Publication date
1 January 2026
Language
EN