melanosis/potassium

BACKGROUND Melasma is an acquired hyperpigmentary disorder characterized by dark patches or macules located on the cheeks, forehead, upper lip, chin, and neck. Treatment of melasma involves the use of topical hypopigmenting agents such as hydroquinone, tretinoin, and azelaic acid and its

Test turnaround times are often monitored on a monthly basis. However, such an interval usually means that not all causes for delay in test reporting can be unequivocally identified for institution of remedial action. We have devised a daily chart--the freckle plot--that graphically displays the

We report a patient who presented with the unusual combination of chronic diarrhoea and hyperkalaemia. The patient was admitted to our hospital after repeated negative evaluations elsewhere including exploratory laparotomy. The patient had a long history of diarrhoea with hypokalaemia which was

We describe a case of true blue nevus of the prostate associated with prostatic melanosis, occurring in a 66-year-old man, who underwent multiple echo-guided prostatic fine-needle biopsies for a suspect prostatic adenocarcinoma. The histological features observed in the bioptic samples were chronic

Melasma, a hypermelanosis of the face, is a common skin problem of middle-aged women of all racial groups, especially with dark complexion. Its precise etio-pathogenesis is evasive, genetic influences, exposure to sunlight, pregnancy, oral contraceptives, estrogen-progesterone therapies, thyroid

BACKGROUND The risk of post-inflammatory hyperpigmentation (PIH) is increased during freckles and lentigines treatment in Asians. OBJECTIVE To determine the effectiveness and safety of using 595-nm long pulsed dye laser (LPDL), 755-nm LP Alexandrite laser, 532-nm QS Nd:YAG laser and 532-nm LP

Volar melanotic macules are asymptomatic, tan-brown to brownish-black macules found on the palms, fingers, soles, and/or toes of dark-skinned individuals and are infrequently reported in light-skinned individuals. Herein, we report the acquisition of multiple, brownish-black volar digital macules in

The diagnosis of a pustular dermatosis occurring during the first months of life is usually based on clinical findings. However, some cases may require simple investigations including microscopic examination of pustular content, cultures, and skin biopsies. The main benign transient neonatal types

Laxative abuse syndrome (LAS) is a type of Münchausen syndrome characterized by surreptitious abuse of purgatives. Clinical findings are often perplexing and may mimic inflammatory bowel disease or malabsorption syndromes. Patients frequently complain of diarrhea alternating with constipation and