Axillary Glomus Tumor Revealed by FDG PET/CT.

Area of Science:

• Vascular Neoplasms
• Medical Imaging
• Oncology

Background:

• Glomus tumors are rare vascular neoplasms originating from glomus bodies.
• Typically located in extremities (fingers, palms, feet), axillary glomus tumors are exceptionally uncommon.
• Understanding the imaging characteristics of rare tumor presentations is crucial for diagnosis.

Observation:

• A 25-year-old woman presented with an axillary mass.
• The mass was evaluated using Magnetic Resonance Imaging (MRI) and Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography (FDG PET/CT).

Findings:

• MRI revealed characteristic findings of a glomus tumor in the axilla.
• FDG PET/CT demonstrated specific metabolic activity patterns consistent with a glomus tumor.
• The imaging findings correlated with the histopathological diagnosis.

Implications:

• This case expands the known anatomical distribution of glomus tumors.
• Highlights the utility of advanced imaging modalities (MRI, FDG PET/CT) in diagnosing rare tumors.
• Contributes to the literature on glomus tumors in unusual locations, aiding future clinical management.