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Tinea of the scalp; ... In microsporosis, the lesion is a small red papule around a hair shaft that later becomes scaly; ... black dots remain.
Specifically, scalp fungal infections are often caused by fungi in the microsporum and trichophyton genera. Scalp fungus can cause a variety of symptoms, including: Dry, scaly skin. Redness ...
In alopecia areata, trichoscopy shows regularly distributed "yellow dots" (hyperkeratotic plugs), small exclamation-mark hairs, and "black dots" (destroyed hairs in the hair follicle opening). [ 46 ] Oftentimes, however, discrete areas of hair loss surrounded by exclamation mark hairs is sufficient for clinical diagnosis of alopecia areata.
If your scalp is intensely itchy and you notice small white dots in your hair that are not flaky (like dandruff), you may have a lice infestation. Lice can cause aggressive scratching, which can ...
You may also see black dots on your skin from the oil that has oxidized on the skin. ... This rash is itchy and can cause hair loss when it occurs on the scalp. The same fungus can also cause ...
Trichophyton rubrum is also a very common cause of favus, a form of tinea capitis in which crusts are seen on the scalp. Tinea capitis is characterized by irregular or well-demarcated alopecia (balding) and scaling. Infected hair shafts are broken off just at the base, leaving a black dot just under the surface of the skin, and alopecia can ...
Want to know what that bump, sore, scabs or red irritation on your scalp means? Here are the most common scalp conditions, with photos and treatments. 7 Common Scalp Issues — And How to Treat Them
A part in the hair is created and a small card is placed to contrast the color of the hair and visualize thin strands of hair (seen in telogen effluvium) vs short broken strands (seen in hair shaft abnormalities). [10] Fungal Culture. Scalp is scraped and the specimen is incubated for fungal growth commonly seen in tinea capitis. [10] Scalp biopsy