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Il Giornale Italiano di Radiologia Medica 2018 Settembre-Ottobre;5(5):637-41

DOI: 10.23736/S2283-8376.18.00114-6


language: Italian

Intestinal intussusception in adults: a rare localization of melanoma

Antonio SOLAZZO 1 , Roberto GALLO 1, Amerigo GARIGALI 1, Giuseppina GIRINO 2, Adriana GINARDI 3, Renzo ORLASSINO 4, Rina L. LOVATO 1

1 Unità Operativa di Radiologia, ASL TO4, Ivrea, Torino, Italia; 2 Dipartimento d’Emergenza e Accettazione, ASL TO4, Ivrea, Torino, Italia; 3 Unità Operativa di Chirurgia, ASL TO4, Chivasso, Torino, Italia; 4 Unità Operativa di Anatomia Patologica, ASL TO4, Ivrea, Torino, Italia


Intussusception of the bowel is the invagination of an intestinal segment into the immediately adjacent segment. In adulthood it rarely occurs and it is in most cases secondary to cancer; the most frequent clinical presentation is represented by abdominal pain and signs of intestinal obstruction. The diagnostic work-up generally includes RX, ultrasound and CT. Plain film of the abdomen typically reveals signs of intestinal obstruction while on the ultrasound and CT examination the target sign is generated by the intestinal loops that appear as a double concentric ring. Due to the high risk of malignancy behind the intussusception, surgery represents the best treatment option for adult patients, moreover surgical approach provides the reduction of the invaginated intestine and the eventual resection of the ischemic or neoplastic intestinal tract. This article presents the case of a 45-year-old man with a 40 cm ileocolic intussusception, generated by an intestinal localization of melanoma, which came to our attention for repeated vomiting and colonic abdominal pain, illustrating the characteristics of radiological imaging. The patient underwent surgery in laparotomy and after reduction of the invaginated small intestine tract, a nodular formation of 2 cm at about 30 cm from the ileocecal valve was detected and removed. The morphological and immunohistochemical anatomopathological evaluation allowed the diagnosis of intestinal localization of melanoma.

KEY WORDS: Intussusception - Intestines - Melanoma

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