Key result
18F-FDG PET-CT successfully demonstrated local recurrence and ruled out distant metastasis in three patients with recurrent cutaneous angiosarcoma of the lower extremity.
Why the study?
Does 18F-FDG PET-CT detect local recurrence and distant metastasis in patients with recurrent cutaneous angiosarcoma of the lower extremity?
Case Report (n=3)
No
Does 18F-FDG PET-CT detect local recurrence and distant metastasis in patients with recurrent cutaneous angiosarcoma of the lower extremity?
18F-FDG PET-CT is a useful imaging modality for detecting local recurrence and ruling out distant metastasis in patients with cutaneous angiosarcoma of the lower extremity.
May aid staging of recurrent cutaneous angiosarcoma; leaves open need for prospective validation before routine use.
Cutaneous angiosarcomas (CAS) are uncommon, aggressive tumours. Very rarely, they arise from the lower extremity. Such tumours are usually associated with chronic lymphedema, a phenomenon known as Stewart-Treves Syndrome. Treatment is usually radical surgery with adjuvant therapy (radiotherapy/chemotherapy). Recurrence rate after primary treatment is high. Because of post therapy changes, conventional imaging has limited specificity for diagnosing recurrence. (18)F-Fluorodeoxyglucose ((18)F-FDG) positron emission tomography-computed tomography (PET-CT) might be useful in such patients. It can demonstrate local recurrence along with distant metastasis, if any and can have significant impact on patient management. We here present three cases of recurrent CAS of lower extremity diagnosed with (18)F-FDG PET-CT.
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Kumar et al. (2013) conducted a case report in Recurrent cutaneous angiosarcoma of lower extremity (n=3). 18F-FDG PET-CT was evaluated on Detection of recurrent disease. 18F-FDG PET-CT successfully demonstrated local recurrence and ruled out distant metastasis in three patients with recurrent cutaneous angiosarcoma of the lower extremity.
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