Extramammary Paget's disease is an uncommon
intraepithelial carcinoma of the
skin and
mucosa usually occurring in the anogenital area. Perianal Paget's
disease is a rare entity, often associated with internal
malignancies and a poor
prognosis. Clinical manifestations of perianal Paget's
disease include
pruritis (most common), irritation,
rash, lump
sensation and the lesion shows erythematous, crusted or scaly area which may weep clear fluid. Lichenified, leukokeratotic or
leukoplakia-like patches may also develop in some
patients. These areas may resemble
eczema or
contact dermatitis. Many authors recommend
surgery as the
treatment of choice. Extended surgical excision for non-invasive lesion and excision of
rectum or
abdominoperineal resection for invasive
disease is recommended. The
prognosis for non-invasive lesion is excellent, but for invasive lesion is poor.We experienced one case of perianal Paget's
disease which recurred after wide excision of vulvar area for Paget's disase, and performed
secondary abdominoperineal resection. Now,
radiation therapy was done for adjuvant
therapeutic modality.