title: Malignant melanoma of the small bowel with unknown primary: a case report.
abstract: Primary small bowel tumours are rare. However, alongwith stomach it is the most frequent site for metastatic tumours, malignant melanoma being the commonest tumour. The prevalence of malignant melanoma in the gastrointestinal tract without any evidence of a primary lesion in the skin or any other site is extremely rare.
authors.affiliation: Division of General Surgery, Department of Surgery, King Khalid University Hospital, Riyadh, Saudi Arabia. drsyg7@yahoo.com
authors.forename: Salman Yousuf
authors.initials: SY
authors.lastname: Guraya
authors.forename: Muhammad
authors.initials: M
authors.lastname: Al Naami
authors.forename: Talal
authors.initials: T
authors.lastname: Al Tuwaijri
authors.forename: Maha Muhammad Irfan
authors.initials: MM
authors.lastname: Arafah
mesh_terms: D000368:Aged; D006801:Humans; D007078:Ileal Neoplasms / Q000556:secondary*; D007421:Intestine, Small / Q000473:pathology*; D007580:Jejunal Neoplasms / Q000556:secondary*; D008297:Male; D008545:Melanoma / Q000473:pathology*; D009418:S100 Proteins
chemical_list: D009418:S100 Proteins