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Related Experiment Video

Updated: Oct 11, 2025

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

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Published on: May 4, 2022

Exophytic Nodule on the Finger.

Renat R Ahatov¹, Paige Hoyer Md¹, Elise Weisert¹

¹Dermatology, University of Texas Medical Branch, Galveston, USA.

|December 6, 2021

Summary

Myopericytoma, a rare benign tumor, typically presents as a painless, non-exophytic lesion. This case highlights an unusual exophytic digital myopericytoma in a female patient, successfully treated with punch excision.

Keywords:

benign tumor exophytic nodule myopericytoma myopericytoma on the finger spindle cell

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Area of Science:

Dermatology
Oncology
Pathology

Background:

Myopericytoma is a rare, benign neoplasm originating from perivascular cells.
These tumors commonly occur on the extremities but can arise anywhere.
They typically present as asymptomatic, dome-shaped, non-exophytic lesions.

Observation:

A 45-year-old female presented with an atypical exophytic digital myopericytoma.
The lesion was located on the digit, deviating from the usual non-exophytic presentation.
The patient experienced a benign disease course.

Findings:

The case demonstrates an unusual exophytic growth pattern of myopericytoma.
Local punch excision was an effective treatment modality for this digital lesion.
Histopathological confirmation of myopericytoma was established.

Implications:

This case expands the spectrum of clinical presentations for myopericytoma.
Highlights the importance of considering atypical presentations in diagnosis.
Suggests local excision as a viable treatment for exophytic digital myopericytomas.