"Cat scratch colon" is a gross finding characterized by hemorrhagic mucosal scratches on colonoscopy. It is usually associated with a normal colon and is rarely associated with collagenous colitis. In a previous report, cat scratch colon was noted in the cecum and ascending colon, but has also been observed in the distal transverse colon. The patient in this study was also diagnosed with ischemic colitis that may have played a role in the development of cat scratch colon.

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• An unexpected finding of cat scratch colon in a screening colonoscopy
  Natalia Mora Cuadrado, Noelia Alcaide Suárez, Beatriz Antolín Melero, Beatriz Burgueño Gómez, Miguel Durà Gil, Luis Ignacio Fernández Salazar, José Manuel González Hernández
  Gastroenterología y Hepatología (English Edition).2019; 42(3): 172.     CrossRef
• Hallazgo inesperado de colon en arañazo de gato en una colonoscopia de cribado
  Natalia Mora Cuadrado, Noelia Alcaide Suárez, Beatriz Antolín Melero, Beatriz Burgueño Gómez, Miguel Durà Gil, Luis Ignacio Fernández Salazar, José Manuel González Hernández
  Gastroenterología y Hepatología.2019; 42(3): 172.     CrossRef