Pearly Penile Papules Workup
- Author: Clarence William Brown Jr, MD; Chief Editor: William D James, MD more...
Laboratory Studies
Laboratory studies are not indicated for pearly penile papules.
Imaging Studies
Imaging studies are not indicated for pearly penile papules.
Other Tests
No other tests are indicated, although dermoscopic findings have been documented.[7, 8, 6]
Procedures
Confirmation of a diagnosis of pearly penile papules may be obtained by obtaining a biopsy specimen of a lesion for histopathologic analysis.
Histologic Findings
Histopathologic analysis of lesions demonstrates a variable number of thin-walled ectatic vessels in the dermis in association with a fibroblastic proliferation. Lesional fibroblasts may appear stellate or multinucleated. Concentric fibrosis surrounding adnexal structures is an additional characteristic.
These features indicate angiofibroma and are not specific for pearly penile papules. Angiofibromas associated with tuberous sclerosis (adenoma sebaceum) and fibrous papule may show identical histologic findings. Clinical history or recognition of genital skin (in adequate biopsy sample) may provide a specific diagnosis.
Staging
No staging system exists or is necessary, given the benign and innocuous nature of pearly penile papules.
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