Pathology Outlines - Melanosis coli
2021年2月1日 · 40 year old woman with colonic lymphoid hyperplasia in melanosis coli (Arch Pathol Lab Med 2001;125:1110) 50 year old woman taking laxatives (N Engl J Med 2013;368:2303) 83 year old man with melanosis coli involving pericolonic lymph nodes associated with the herbal laxative Swiss Kriss (Arch Pathol Lab Med 2004;128:565)
Pathology Outlines - Colon
Other nonneoplastic: adhesions amyloidosis apoptotic colopathy colitis cystica profunda elastofibromatous change endometriosis foreign materials / food gastric heterotopia idiopathic myointimal hyperplasia of mesenteric veins infarct infarcted epiploic appendages lifting agent granuloma melanosis coli pneumatosis cystoides intestinalis portal ...
Conjunctival melanocytic intraepithelial lesions (CMIL)
2014年10月1日 · Cystic benign melanosis: Epithelial lined cysts in substantia propria, goblet cells and secondary pigmentation of basilar keratinocytes (Cornea 2012;31:1273) Hypermelanosis: Freckle or complexion melanosis Bilateral, does not change over time Junctional nevus:
Benign epithelial melanosis of the conjunctiva - Pathology Outlines
2013年3月1日 · Early primary acquired melanosis: Melanocytic proliferation is present Iron containing foreign bodies; Medications: Epinephrine, tetracycline, silver containing products Melanocyte migration associated with inflammation or trauma; Ochronosis; Ocular melanocytosis:
Pathology Outlines - Fontana-Masson
2021年6月25日 · Note: pseudomelanin of melanosis coli, usually found in macrophages, is PAS positive; true melanin is not Microscopic (histologic) images Images hosted on other servers:
Pathology Outlines - Other pigment / foreign material
2014年2月1日 · 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 implications and treatment outcomes Case reports. 36 year old man with lymph node melanosis and metastatic melanoma of unknown primary (Arch Pathol Lab Med 2009;133:1332)
Pathology Outlines - Brown bowel syndrome
2024年11月4日 · Melanosis coli: Grossly may show brown pigmentation of mucosa, whereas the muscularis propria lacks pigmentation Pigment accumulation is within the macrophages in the lamina propria rather than within cytoplasm of smooth muscle cells Whipple disease: Expansion of lamina propria by foamy macrophages, which lack brown pigmentation
Pathology Outlines - Case #231
Diagnosis: Melanosis duodeni Discussion: Melanosis duodeni, also known as pseudomelanosis duodeni, is due to brown-black pigment in macrophages in the lamina propria of the proximal duodenum. It is often but not always identified at endoscopy.
Pathology Outlines - Melanosis
2007年5月1日 · Patient with melanosis of uterine cervix after cryotherapy for epithelial dysplasia (Am J Clin Pathol 1990;93:802) Gross description Flat, dark lesion up to 3 cm
Pathology Outlines - Melanocytosis
2013年1月1日 · Recommended to not use term "melanosis" (Arch Pathol Lab Med 2006;130:552) Gross description.