Tc-99m DTPA scintigraphy in soft tissue tumor.
Tc99m-DTPA scintigraphic study were done in Centre For Nuclear Medicine and Ultrasound (CNMU) Mymensingh presented with palpable soft tissue mass. All the patients referred to CNMU for ultrasonic evaluation of the mass. Taking proper consent form patient and we did the Tc-99m DTPA scanning of the masses. The study was carried out using Tc-99m DTPA in three phases dynamic, blood pool after 5 min, followed by a late scan after 2 hr. The uptake was categorized as consistently positive, initially positive but latter (progressively) negative, initially negative but latter (progressively) positive and consistently negative. Among our studied cases there were both benign and malignant lesion that were proved by histopathology after excisional biopsy. Two cases were inconclusive. Histologically proven lipoma showed no uptake of DTPA considered as consistently negative. Two cases of rhabdomyosarcoma showed consistently positive.[1]References
- Tc-99m DTPA scintigraphy in soft tissue tumor. Hossain, G.A., Moinul Islam, S.M., Mahmood, S., Khan, N., Chakrabarty, R.K. Mymensingh medical journal : MMJ. (2005) [Pubmed]
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