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Punit Sharma,Piyali Chatterjee 대한핵의학회 2014 핵의학 분자영상 Vol.48 No.4
Late port site metastasis of gall bladder carcinoma(GBC) after laparoscopic cholecystectomy is a rare finding. Rarer still is such a presentation where the GBC remainedoccult at histopathology. 18F-flurodeoxyglucose (18F-FDG)positron emission tomography/computed tomography (PET/CT) can play an important role in this setting by supporting thediagnosis of port site metastasis, by demonstrating additionalsites of metastasis, if any, and by ruling out any other primarysite. We here present two such patients with late port sitemetastasis of occult GBC after laparoscopic cholecystectomyfor cholelithiasis and discuss the role of 18F-FDG PET/CT inthis setting.
Von Hippel-Lindau Syndrome: Demonstration of Entire Disease Spectrum with 68Ga-DOTANOC PET-CT
Punit Sharma,Varun Singh Dhull,Chandrasekhar Bal,Arun Malhotra,Rakesh Kumar 대한영상의학회 2014 Korean Journal of Radiology Vol.15 No.1
Von Hippel-Lindau (VHL) syndrome is a rare neoplastic disorder characterized by central nervous system (CNS) and visceral tumors. We here present 68Ga-labelled [1, 4, 7, 10-tetraazacyclododecane-1, 4, 7, 10-tetraacetic acid]-1-Nal3-Octreotide positron emission tomography computed tomography findings in a 52 year old female with VHL syndrome, demonstrating both CNS and visceral tumors.
Varun Singh Dhull,Punit Sharma,Suhas Singla,Nauroze Asghar Faizi,Sanjay Thulkar,Chandersekhar Bal,Rakesh Kumar 대한핵의학회 2013 핵의학 분자영상 Vol.47 No.2
We present a case of a 23 year-old male treated for Hodgkin’s lymphoma who developed diffuse large Bcell lymphoma (DLBCL) 8 years after achieving remission. 18F-fluorodeoxyglucose positron emission tomography computed tomography (18F-FDG PET-CT) was done, which revealed extensive extranodal involvement of bilateral atria,bilateral kidneys, ileo-caecal junction and left testis along with mesenteric and retroperitoneal lymph nodal involvement. Renal and cardiac lesions were not detected by contrast-enhanced CT. Simultaneous lymphomatous involvement of rare sites such as heart, kidneys and testis in a single patient has not been reported before.
Sellam Karunanithi,Shambo Guha Roy,Punit Sharma,Rajni Yadav,Chandrasekhar Bal,Rakesh Kumar 대한핵의학회 2015 핵의학 분자영상 Vol.49 No.1
Recipients of renal transplant are at increased risk ofdeveloping various malignancies, especially post-transplantlymphoproliferative disorder (PTLD) and skin cancers. Neuroendocrine tumours (NET) of the gastrointestinal tracthave not been reported in this setting. Here we describe thecase of a 75-year-old male who had undergone renal transplant8 years back and now presented with significant weight lossand backache, clinically suspected as PTLD. 18FFluordeoxyglucose(18F-FDG) positron emission tomographycomputedtomography (PET-CT) showed hypermetabolic lesionsin the liver and rectum, raising the suspicion of PTLD. However, biopsy from the liver lesion showed poorly differentiatedNET. 68Ga-labelled [1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid]-1-NaI3-octreotide (68Ga-DOTANOC) PET-CT was then done, which confirmed theprimary lesion in the rectum with liver metastases.