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Solitary Thumb Acrometastasis Identified on Bone Scintigraphy
1From the Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China.
Clinical Nuclear Medicine
|February 28, 2017
Summary
A lung adenocarcinoma metastasized to a patient's left thumb, initially detected via Tc-MDP bone scan. Pathological examination confirmed the metastasis in the first metacarpal bone.
Area of Science:
- Oncology
- Radiology
- Orthopedic Oncology
Background:
- Lung adenocarcinoma is a common malignancy.
- Metastasis to unusual sites can occur.
- Bone scans are used to detect osseous metastases.
Observation:
- A 45-year-old man with a history of lung adenocarcinoma presented for a bone scan.
- Intense tracer uptake was noted in the left thumb, atypical for metastases elsewhere.
- CT imaging revealed sclerotic changes and bone destruction in the left thumb.
Findings:
- Pathological examination of the resected left first metacarpal bone confirmed metastasis from lung adenocarcinoma.
- This case highlights an unusual site of metastasis.
Implications:
- Early detection of metastasis to uncommon sites is crucial for patient management.
- Multimodality imaging and pathological confirmation are essential for accurate diagnosis.
- Understanding rare metastatic patterns aids in comprehensive cancer care.
