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A painless subungual osteoid osteoma.
P Ekmekci1, S Bostanci, N Erdoğan
1Departments of Dermatology and Pathology, Ankara University Medical School, Ankara, Turkey.
Summary
A rare case of painless osteoid osteoma occurred in the great toe. This benign bone tumor, typically painful, highlights the importance of considering atypical presentations for accurate diagnosis.
Area of Science:
- Orthopedic Oncology
- Skeletal Pathology
Background:
- Osteoid osteoma is a benign bone tumor with unclear etiology.
- The role of trauma in osteoid osteoma development remains elusive.
Observation:
- A 29-year-old woman presented with a painless subungual mass on her great toe.
- The lesion's location on the dorsum of the great toe is atypical for osteoid osteoma.
Findings:
- Differential diagnoses included subungual exotosis, osteochondroma, and osteoma.
- Histopathologic examination confirmed the diagnosis of osteoid osteoma.
- The tumor was completely excised.
Implications:
- Painless osteoid osteoma is an uncommon presentation.
- Atypical locations, like the subungual area, increase the risk of misdiagnosis.
- This case underscores the need for thorough histopathological evaluation in suspected bone tumors.