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Trichoepithelioma

Michael S. Dobson, MD and Carl Bryce, MD Reviewed 06/2019
 


BASICS

DESCRIPTION

  • A benign cutaneous neoplasm of the hair follicle

  • Trichoepithelioma (TE) commonly presents as a solitary skin-colored papule or nodule on the face.

  • Multiple lesions are seen in several ...

DIAGNOSIS

HISTORY

  • Solitary or multiple skin-colored papules or nodules presenting on the face, scalp, trunk, or lower extremities

  • Typically appear as a solitary papule during the 2nd or 3rd decade of li...

TREATMENT

Patients with multiple TEs should be monitored for the development of other adnexal tumors. Isolated TE is a benign condition that does not require treatment other than for cosmetic concerns...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

Malignant transformation of TE is extremely rare and occurs late in the disease. Patients should have skin lesions examined annually to monitor ...

REFERENCES

1
Tu JH, Teng JM. Use of topical sirolimus in the management of multiple familial trichoepitheliomas. Dermatol Ther.  2017;30(2). doi:10.1111/dth.12458. [View Abstract on OvidMedline]
2
S...

ADDITIONAL READING

  • Alsaad KO, Obaidat NA, Ghazarian D. Skin adnexal neoplasms—part 1: an approach to tumours of the pilosebaceous unit. J Clin Pathol.  2007;60(2):129–144. [View Abstract on OvidM...

CODES

ICD10

  • D23.9 Other benign neoplasm of skin, unspecified

  • D23.30 Other benign neoplasm of skin of unspecified part of face

  • D23.4 Other benign neoplasm of skin of scalp and neck

  • D23.39 Other benign neop...

CLINICAL PEARLS

  • TE is a rare, slow-growing, benign adnexal neoplasm that commonly presents as single or multiple skin-colored papules or nodules around the upper lip measuring 1 to 8 mm in diameter in...

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