Feb 1, 2021 · Sample pathology report Random colon, biopsy: Colonic mucosa with melanosis coli, otherwise within normal limits

Aug 1, 2012 · C. Prussian blue. The brown, black pigment in pseudomelanosis duodeni is thought to contain ferrous sulfide and has been shown to be positive on Prussian blue iron stain and …

Jun 25, 2021 · Melanin stains are Fontana-Masson (stains melanin black) and Schmorl method (stains melanin blue-green) Bleaching with potassium permanganate or hydrogen peroxide is …

Nov 4, 2024 · Differential diagnosis Melanosis coli: Grossly may show brown pigmentation of mucosa, whereas the muscularis propria lacks pigmentation Pigment accumulation is within …

Comprehensive resource for colon pathology, covering non-tumor conditions, written and peer-reviewed by pathologists for pathologists.

May 1, 2007 · Case reports Patient with melanosis of uterine cervix after cryotherapy for epithelial dysplasia (Am J Clin Pathol 1990;93:802)

Oct 1, 2014 · Conjunctival melanosis now differentiated histologically into hypermelanosis and conjunctival melanocytic intra-epithelial neoplasia (C-MIN) Cases formerly classified as PAM …

Jan 1, 2013 · Benign, involves mid / lower esophagus More common in men May be due to gastroesophageal reflux disease May be a precursor of esophageal melanoma Recommended …

Stains - MelanA / MART1Melanocyte lineage specific marker, more sensitive than HMB45 in the diagnosis of metastatic melanoma Cytoplasmic protein Positive in most primary melanomas …

Feb 1, 2014 · Yellow brown spindle bodies in mesenteric nodes may be due to melanosis coli (Histopathology 1978;2:47) The paucity of cases precludes adequate evaluation of long term …