background although, melasma is most prevalent among asian young women, and also darkly pigmented individuals are particularly prone to developing post inflammatory hyperpigmentation, to the best of our knowledge, there are rare or no studies about the association of melasma and post inflammatory hyperpigmentation. results we found out that 24.1% of patients without melasma had post-acne pigmen...

Polyphenoloxidase (PPO), protease activities, melanosis and exudate loss of pre-cooked Pacific white shrimp (Litopenaeus vannamei) subjected to multiple freeze-thaw cycles (1, 3 and 5 cycles) using different thawing methods were studied. PPO and protease activities increased as freeze-thaw cycles increased (p < 0.05). Thawing using running tap water resulted in the higher increases in both PPO ...

Melanosis coli denotes brownish discoloration of the colonic mucosa found on endoscopy or histopathologic examination. The condition has no specific symptom on its own. It is a fairly frequent incidental finding of colonic biopsies and resection specimens. The pigmentation is caused by apoptotic cells which are ingested by macrophages and subsequently transported into the lamina propria, where ...

Objective: to describe the case of a Brazilian Amazon woman presenting macroscopic melanosis coli associated with the chronic use of laxative herbal teas. Case Report: a 48years-old woman was referred for evaluation of a diffuse abdominal pain, intestinal meteorism, gastric plenitude, eructation and chronic constipation. The patient confirmed the use of laxatives and herbal teas as auto-medicat...

Cellular blue nevus is an uncommon pigmented tumor in the conjunctiva, where it generally appears as a deep, circumscribed, pigmented conjunctival mass. We report a case of conjunctival blue nevus that clinically resembled primary acquired melanosis and gave rise to conjunctival melanoma. A 41-year-old man developed a diffuse pigmented mass in the inferior fornix of his left eye. Over a 20-year...

6. Mitty RD, Wolfe GR, Cosman M. Initial description of gastric melanosis in a laxative-abusing patient. Am J Gastro. 1997;92:707--8. 7. Lin HJ, Tsay SH, Chiang H. Pseudomelanosis duodeni. Case report and review of literature. J Clin Gastroenterol. 1988;10:155--9. 8. Alberti JE, Bodor J, Torres AD. Primary malignant melanoma of the esophagus associated with melanosis of the esophagus and stomac...

6. Mitty RD, Wolfe GR, Cosman M. Initial description of gastric melanosis in a laxative-abusing patient. Am J Gastro. 1997;92:707--8. 7. Lin HJ, Tsay SH, Chiang H. Pseudomelanosis duodeni. Case report and review of literature. J Clin Gastroenterol. 1988;10:155--9. 8. Alberti JE, Bodor J, Torres AD. Primary malignant melanoma of the esophagus associated with melanosis of the esophagus and stomac...