Basaloid follicular hamartoma

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Basaloid follicular hamartoma
Basaloid follicular hamartoma
Synonyms
Pronounce
Specialty	Dermatology
Symptoms	Skin-colored papules, plaques
Complications
Onset
Duration
Types
Causes	Genetic mutations
Risks
Diagnosis	Skin biopsy
Differential diagnosis	Basal cell carcinoma, Trichoepithelioma
Prevention
Treatment	Surgical excision, Laser therapy
Medication
Prognosis	Generally benign
Frequency	Rare
Deaths	N/A

Basaloid follicular hamartoma is a rare, benign skin lesion that is characterized by its histological resemblance to basal cell carcinoma and other skin diseases. It was first described in the medical literature in 1985.

Clinical Presentation

Basaloid follicular hamartomas typically present as solitary or multiple skin-colored papules or nodules. They can be found anywhere on the body, but are most commonly located on the face, scalp, and neck. The lesions are usually asymptomatic, but can sometimes cause mild itching or discomfort.

Pathogenesis

The exact cause of basaloid follicular hamartomas is unknown. However, they are thought to result from an abnormal proliferation of the basaloid cells in the hair follicles. Some cases have been associated with genetic disorders such as Gorlin syndrome and Cowden syndrome, suggesting a possible genetic component to their development.

Diagnosis

Diagnosis of a basaloid follicular hamartoma is typically made based on the clinical presentation and histological examination of a skin biopsy. The histology shows a proliferation of basaloid cells forming follicular structures, with a characteristic "jigsaw puzzle" pattern. The lesions are typically well-circumscribed and lack the aggressive features seen in basal cell carcinoma.

Treatment

Treatment for basaloid follicular hamartomas is usually not necessary, as they are benign and do not cause significant symptoms. However, if the lesions are bothersome or cosmetically unacceptable, they can be removed with surgical excision or laser therapy.

Prognosis

The prognosis for individuals with basaloid follicular hamartomas is generally good. The lesions are benign and do not have the potential to become malignant. However, they can sometimes be associated with other systemic diseases, so individuals with these lesions should be monitored for the development of other symptoms.

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