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The Diagnostic Dilemma of Neurolymphomatosis
Ritu Shree,Manoj Kumar Goyal,Manish Modi,Balan Louis Gaspar,Bishan Dass Radotra,Chirag Kamal Ahuja,Bhagwant Rai Mittal,Gaurav Prakash 대한신경과학회 2016 Journal of Clinical Neurology Vol.12 No.3
Neurolymphomatosis (NL) defned as infltration of the central nervous system or the peripheral nervous system (PNS) by malignant lymphoma cells is a rare clinical entity. However, the increasing use of fuorodeoxyglucose positron-emission tomography (FDG-PET) and magnetic resonance imaging in evaluating PNS disorders is resulting in; this condition being recognized more frequently. Here; we report fve NL patients and review the current literature. We report five patients with non-Hodgkin’s lymphoma (NHL) and NL, all of whom were men aged 47–69 years. Te clinical presentation varied from symmetrical peripheral neuropathy to mononeuropathy. Peripheral neuropathy was the presenting manifestation of a systemic lymphoma in two patients (40%). Neuroimaging as well as whole-body FDG-PET helped in determining the correct diagnosis in all of the patients. NL is an unusual presentation of NHL resulting from infltration of the PNS by malignant lymphomatous cells. While evaluating peripheral neuropathy, a high degree of suspicion of NL is required since the presenting symptoms vary, conventional radiology has only modest sensitivity, and a pathological diagnosis is ofen difcult. FDG-PET helps in the early diagnosis and treatment of this condition.
Sensitive Detection of a Small Parathyroid Adenoma Using Fluorocholine PET/CT: A Case Report
Thanseer N. T. K. Padinhare-Keloth,Sanjay K. Bhadada,Ashwani Sood,Rajender Kumar,Arunanshu Behera,Bishan D. Radotra,Bhagwant R. Mittal 대한핵의학회 2017 핵의학 분자영상 Vol.51 No.2
Primary hyperparathyroidism is caused by parathyroidadenoma in the majority of cases and diagnosis is usuallymade biochemically. Pre-surgical localization of parathyroidadenoma is essential to limit the extent of surgery and avoidmissing them at ectopic sites. Anatomical and functional imagingare used for the localization, but may fail to identify thesmall and ectopic parathyroid adenoma. We present a case ofsmall sized ectopic parathyroid adenoma at unusual locationdetected by F-18 fluorocholine (FCH) PET/CT, where otherimaging modalities failed. The post-operative histopathologyconfirmed the diagnosis of ectopic parathyroid adenoma.
18F-FDG PET/CT detects Metastatic Renal Cell Carcinoma Masquerading as Primary Breast Malignancy
Ashwin Singh Parihar,Bhagwant Rai Mittal,Shelvin Kumar Vadi,Rajender Kumar,Kaniyappan Nambiyar,Bishan Radotra,Lileswar Kaman 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.6
We present the case of a 36-year-old woman who underwent 18F-FDG PET/CT with suspicion of a primary breast malignancy. However, PET/CT detected an occult renal cell carcinoma with metastases to the thyroid, breast, lungs and lymph nodes. Thyroidand breast metastases are atypical metastatic sites of renal cell carcinoma. Breast metastases from extra mammary tissue areextremely rare, more so from renal cell carcinoma. Histopathologic confirmation of the breast lesions is imperative to avoidunnecessary mastectomy and imaging can help in raising the suspicion of metastatic involvement versus primary breastmalignancy.