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Pleomorphic liposarcoma metastatic to the thyroid gland
Humayun Bashir1, M Khalid Nawaz, Mazhar A Shah
1Department of Nuclear Medicine, Shaukat Khanum Memorial Cancer Hospital and Research Center, Lahore, Pakistan.
Clinical Nuclear Medicine
|January 24, 2002
Summary
Metastatic pleomorphic liposarcoma can present as a cold nodule in the thyroid gland, a rare but important diagnosis. This finding underscores the need to consider thyroid nodules as potential metastases in cancer patients.
Area of Science:
- Oncology
- Endocrinology
- Pathology
Background:
- Thyroid gland metastases are rare but must be considered in patients with a history of cancer.
- Cold nodules on radionuclide thyroid scans can represent metastatic disease.
Observation:
- A patient with known metastatic pleomorphic liposarcoma developed a palpable thyroid nodule.
- A technetium-99m pertechnetate thyroid scan revealed a cold nodule in the right thyroid lobe.
Findings:
- Fine-needle aspiration cytology confirmed the thyroid nodule was a metastasis from the primary pleomorphic liposarcoma.
- This case highlights an unusual presentation of liposarcoma metastasis.
Implications:
- Thyroid nodules in patients with known primary tumors should be suspected as metastases until proven otherwise.
- This case expands the differential diagnosis for thyroid nodules in cancer patients.
- Early and accurate diagnosis of thyroid metastases is crucial for patient management.