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Isolated Diffuse Bone Marrow Metastases From Signet-ring Cell Gastric Carcinoma
1Tuen Mun Hospital, Clinic of Radiology and Nuclear Medicine, Nuclear Medicine Unit, Hong Kong, China.
Abstract:
A 71-year-old female patient with a known history of signet-ring cell carcinoma presented with diffuse bone pain and anemic symptoms. An 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography study revealed diffuse heterogeneous hypermetabolic sclerotic lesions in the axial and proximal appendicular skeleton. No other 18F-FDG-avid lesions were detected. Subsequent bone marrow biopsy confirmed the diagnosis of metastatic carcinoma originating from the gastric primary site. Palliative treatment was initiated; however, the patient's condition deteriorated, and she succumbed to the disease two months later.
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