Acral melanosis

Acral Lentiginous Melanoma Developing during Long-standing Atypical Melanosis: Usefulness of Dermoscopy for Detection of Early Acral Melanoma

Clinical guidelines suggest that suspicious pigmented lesions of the plantar or palmar area require biopsy for early detection of acral melanoma. We present here a case of acral lentiginous melanoma in which various melanocytic atypia was observed at each biopsy site, including focal melanocytic proliferation. We suggest that this atypical melanosis is part of a contiguous phase of invasive tum...

On Melanosis

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...

Neurocutaneous melanosis

Radiol Bras. 2016 Nov/Dez;49(6):406–413 412 http://dx.doi.org/10.1590/0100-3984.2015.0139 the lesions by the paramagnetic contrast agent. Examination of the cerebrospinal fluid showed that there was no infection with Cryptococcus or any other agents, indicating an effective response to the treatment. The combination of clinical and radiological worsening, despite an effective treatment response...