Melanosis of Conjunctiva

Primary acquired melanosis of the conjunctiva: experience with 311 eyes.

PURPOSE To evaluate clinical features and risks for transformation of conjunctival primary acquired melanosis (PAM) into melanoma. METHODS Retrospective chart review and Kaplan-Meier estimates of times to PAM enlargement, recurrence, and transformation into melanoma. MAIN OUTCOME MEASURES PAM enlargement, recurrence, and transformation into melanoma. RESULTS The mean patient age at diagno...

On Melanosis

MR of neurocutaneous melanosis.

PURPOSE To describe the MR findings of neurocutaneous melanosis in the brain and correlate these with the known pathology and proposed embryologic basis of this disorder. METHODS The brain (seven patients) and spine (three patients) MR scans of seven patients with neurocutaneous melanosis were retrospectively reviewed. In two patients, findings were confirmed at surgery. The pattern of centra...

Melanosis coli.

n engl j med 368;24 nejm.org june 13, 2013 2303 A 50-year-old woman underwent colonoscopy for rectal bleeding. Her entire colon appeared dark brown and black, a finding consistent with the diagnosis of melanosis coli (Panel A). Random biopsy specimens from the descending colon revealed sheets and clusters of macrophages laden with brownish pigment in the lamina propria (Panel B, arrow). A tiny,...

Syphilitic Melanosis

Sir,?I am referring to a paper 'on p. 172 of the Indian Medical Gazette, April 1944, on 'Syphilitic melanoderma' where ycm state that in Becher and Obermayer no mention is made of syphilis as a cause of melanosis. In my book ' Histologie der Hautkrankheiten' Springer Verlag, Berlin 1925, Vol. I, p. 517, I do mention it and refer to Fourrier and to Unna as describing it as a rare type of the dis...