Benign skin tumours.

Malignant transformation within benign adnexal skin tumours.

AIMS To report five malignant trichogenic tumours arising in longstanding, previously benign adnexal neoplasms through malignant transformation. Malignant trichogenic adnexal tumours are extremely rare neoplasms. METHODS AND RESULTS The patients were between 55 years and 79 years of age. Three of the tumours were located on the arms, two on the face. Three of our patients had a history of chr...

Benign testicular tumours.

muscles, and in the soles of pounding feet. The slightly increased blood loss in stools seems to be of no clinical importance in most athletes,9 but we should be cautious because of sporadic cases of excessive faecal blood loss associated with marathon training.'"'2 Some of these cases, particularly those accompanied by abdominal pain, vomiting, or frank blood in the stools, need investigation ...

Uncommon benign intrascrotal tumours.

INTRODUCTION Benign intrascrotal tumours are rare. CLINICAL PICTURE Three patients with bilateral paratesticular leiomyomas, an adenomatoid tumour of the testis and a left paratesticular dermoid cyst coexisting with a synchronous left paratesticular epidermal cyst are presented. These tumours were discrete, hard and smooth lesions, in which the diagnosis of malignancy could not be safely excl...

Benign tumours of the larynx.

Over the 8-year period 1971--1978, 743 benign lesions of the larynx, of which 551 were pseudotumors and 192 were benign neoplasms, were surgically treated at Groote Schuur Hospital. In comparison, during the same period 402 malignant tumours of the larynx were also seen. The commonest benign lesions were vocal cord nodules, almost exclusively found in women, and the vocal cord polyp, predominan...

Benign Tumours of the Rectum.