Pathologic Quiz Case: A Cutaneous Nodule on the Left Temple

A user observed orange fluorescence on their nose and hair under a black light, indicating Cutibacterium acnes, which may contribute to hair loss alongside androgenic alopecia. A suggestion was made to use coal tar shampoo to address the issue.

The conversation discusses potential causes of pigmentation around hair follicles, suggesting sebum buildup, autoimmune conditions, or dermatitis. Treatments mentioned include finasteride, dutasteride, and an anti-inflammatory diet, with a recommendation to consult a doctor for a proper diagnosis.

The user has been using topical finasteride and minoxidil for two years with decent regrowth and recently added microneedling to their routine. They are questioning if the small hairs observed are new regrowth from microneedling or just vellus or miniaturized hairs.

The user is experiencing diffuse thinning and inflammation despite using 2.5mg dutasteride daily, ciclopirox, and ketoconazole shampoos. They are considering treatments like hydroxychloroquine and JAK inhibitors due to suspected scarring alopecia and have faced challenges in obtaining a scalp biopsy.

Hair follicle regeneration through stem cell rearrangement is discussed, focusing on bioengineered cellular structures rather than traditional hair transplants. Treatments mentioned include Minoxidil, finasteride, and RU58841.

A user experienced severe scalp itching with MPB and found Nizoral ineffective. A doctor diagnosed seborrheic eczema and prescribed Betacap, which relieved the itching.