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Erosive pustular dermatitis of the scalp presents with pustules, erosions, and crusts on the scalp of primarily older Caucasian females, and on biopsy, has a lymphoplasmacytic infiltrate with or without foreign body giant cells and pilosebaceous atrophy. [2]: 650 [3]: 761 The exact cause of erosive pustular dermatitis of the scalp is unknown.
[10] Fungal Culture. Scalp is scraped and the specimen is incubated for fungal growth commonly seen in tinea capitis. [10] Scalp biopsy. If the diagnosis of hair loss is unclear or not responsive to the treatment, a scalp biopsy may be required. Scalp biopsy will show evidence of inflammation, location, and change in the follicles.
Pilomatricoma is a benign skin tumor derived from the hair matrix. [ 2 ] [ 3 ] These neoplasms are relatively uncommon and typically occur on the scalp, face, and upper extremities. Clinically, pilomatricomas present as a subcutaneous nodule or cyst with unremarkable overlying epidermis that can range in size from 0.5 to 3.0 cm, but the largest ...
Precancerous lesions on the scalp can also lead to scabbing. “Sometimes an isolated red rough dry patch of skin forms and is slightly tender when exposed to sun—this can be a Squamous Cell ...
Cutis verticis gyrata is a medical condition usually associated with thickening of the scalp. [1] The condition is identified by excessive thickening of the soft tissues of the scalp and characterized by ridges and furrows, which give the scalp a cerebriform appearance. Clinically, the ridges are hard and cannot be flattened on applying pressure.
Cutaneous squamous-cell carcinoma (cSCC), also known as squamous-cell carcinoma of the skin or squamous-cell skin cancer, is one of the three principal types of skin cancer, alongside basal-cell carcinoma and melanoma. [10] cSCC typically presents as a hard lump with a scaly surface, though it may also present as an ulcer. [1]
Crusting and flaking: The scalp may develop crusty patches or flaky skin. It may also develop blisters that break open or crust over. Hair loss: In severe cases, hair in the affected area may fall ...
Circular bare patches on the skin suggest the diagnosis, but no lesion is truly specific to the fungus. Similar patches may result from allergies , sarcoptic mange , and other conditions. Three species of fungi cause 95% of dermatophytosis in pets: [ citation needed ] these are Microsporum canis , Microsporum gypseum , and Trichophyton ...