A case of melanosis coli in a girl of 4 years is described. The condition is usually considered a disease of the aging bowel. In this case there was a history of constipation, and anthracene abuse.

BACKGROUND Primary leptomeningeal melanocytic neoplasms of the central nervous system are rare. Multifocal lesions typically occur in the setting of cutaneous melanosis. We present the first report of a posterior fossa melanocytoma and subcutaneous melanocytoma of intermediate grade in the absence of cutaneous melanosis. CASE DESCRIPTION We present the case of a 22-year-old male with decrease...

OBJECTIVE To describe the clinical features of ocular melanosis in Cairn Terriers. ANIMAL STUDIED One hundred and fourteen Cairn Terriers diagnosed with ocular melanosis. PROCEDURES A complete eye examination was performed on each dog. Four dogs (and two unaffected control dogs) underwent a high frequency ultrasound examination of the anterior segment. The pedigrees of affected dogs were an...

The gross and microscopic features of an unusual case of neurocutaneous melanosis are described. This is an example of the rare association between a primary central nervous system malignant melanoma and a giant congenital melanocytic naevus of 'bathing trunk' distribution.

According to the Central Statistics Agency, percentage of smokers among Indonesians aged 15 years is relatively high. It was 32.20%, 29.03%, and 28.69%, in 2018, 2019, 2020 respectively. Cigarettes contain tar that changes into a solid builds up colored plaque when entering mouth. Perpetual cigarette smoke causes brown pigmentation on mucosa, known as smoker's melanosis. Smoker's melanosis abun...

Two cases of neurocutaneous melanosis are presented. MR showed hyperintense areas in the brain on short-repetition-time/short-echo-time sequences, compatible with intraparenchymal melanin deposits. No leptomeningeal abnormality was seen.