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Use of Otoscope as a Non-Invasive Tool for Diagnosis of Pilomatricoma


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Pilomatrixoma

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Trial Information

Use of Otoscope as a Non-Invasive Tool for Diagnosis of Pilomatricoma


Pilomatricoma is a benign tumor that presents as a 3-30mm firm, solitary, deep dermal or
subcutaneous tumor on the head, neck, or upper extremities. The clinical diagnosis is often
made by the firm, sometimes rock hard texture of the skin. The diagnosis can be confirmed
by a skin biopsy and/or excision of the lesion. We have recently noted that pilomatricomas
appear as a black mass in the skin when the lesion is transilluminated by placing the light
of a fiberoptic otoscope adjacent to the skin lesion. We would like to confirm our
impression by a prospective study using transillumination to examine subcutaneous tumors in
the skin. Pilomatricoma is also known as a benign calcifying or calcified epithelioma,
pilomatrixoma, or a calcifying epithelioma of Malherbe.


Inclusion Criteria:

- Potential participants will be any patient that is seen at Stanford
Dermatology or LPCH that has a cyst, nodule, vesicle, tumor, or possible pilomatricoma

Exclusion Criteria:- Inability of subject or subject's guardian to understand informed
consent form.

Type of Study:

Observational

Study Design:

Time Perspective: Prospective

Principal Investigator

Alfred T Lane

Investigator Role:

Principal Investigator

Investigator Affiliation:

Stanford University

Authority:

United States: Food and Drug Administration

Study ID:

SU-07092008-1245

NCT ID:

NCT00715819

Start Date:

April 2008

Completion Date:

Related Keywords:

  • Pilomatrixoma
  • Pilomatrixoma

Name

Location

Stanford University School of MedicineStanford, California  94305-5317