Debets J M H, Lijnen R L P, Willig A P
Afd. Chirurgie, Laurentius Ziekenhuis, Mgr. Driessenstraat 6, 6043 CV Roermond.
Ned Tijdschr Geneeskd. 2002 Apr 13;146(15):718.
A 63-year-old woman had perianal fissures, which were caused by an amelanotic melanoma of the anus.
一名63岁女性患有肛周肛裂,这是由肛门无色素性黑色素瘤引起的。