Mediastinal neurilemmoma demonstrated by positive Tc-99m(V) DMSA SPEC and negative Ga-67 uptake

Bi Fang Lee, Nan Tsing Chiu, Ming Shyan Huang, Gin Chung Liu, Hsin Su Yu

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Abstract

Schwannoma is a benign neurogenic tumor arising from the sheath of a peripheral nerve. Tc-99m(V) DMSA, developed by Yokoyama et al. in 1981, has been recognized as advantageous for the scintigraphic diagnosis of various malignant tumors and their metastases. Uptake of Tc-99m(V) DMSA was seen not only in malignant tumors but also in benign lesions. Tc-99m(V) DMSA has been reported to accumulate in soft-tissue tumors, such as neurofibromatomas and Schwannomas. In the current report, the authors describe uptake of Tc-99m(V) DMSA in a mediastinal neurilemmoma, but not Ga-67, which is very useful in suggesting the nature of the tumor.

Original languageEnglish
Pages (from-to)292-294
Number of pages3
JournalClinical Nuclear Medicine
Volume25
Issue number4
DOIs
Publication statusPublished - 2000 Apr 7

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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