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Kashyap, Raghava,Mittal, Bhagwant Rai,Chakraborty, Dhritiman,Bhattacharya, Anish,Singh, Baljinder The Korea Society of Nuclear Medicine 2010 핵의학 분자영상 Vol.44 No.4
We present a case of poorly differentiated muscle invasive transitional cell carcinoma in a 64-year-old male diagnosed with FDG-avid mass in the urinary bladder wall and multiple skeletal muscles visualised on F-18 FDG PET/CT.
Manohar, Kuruva,Mittal, Bhagwant Rai,Bhattacharya, Anish,Gupta, Amod The Korea Society of Nuclear Medicine 2012 핵의학 분자영상 Vol.46 No.1
Metastases to orbit occur rarely but are the most common form of malignant orbital tumors. Usually the orbital metastases occur in disseminated disease. Very rarely orbital metastases can be the presenting feature of systemic malignancy. We report here a case with orbital metastases as the presenting feature of lung malignancy and describe the utility of FDG PET/CT as one-stop-shop imaging modality in this setting.
Dharmender Malik,Rajender Kumar,Bhagwant Rai Mittal,Gaurav Parkash,Amanjit Bal,Anish Bhattacharya 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.5
We present a case of papillary thyroid cancer (post-thyroidectomy status) on regular treatment with suppressive Levothyroxinetherapy. On follow-up at 6 months after radioactive iodine ablation for remnant thyroid tissue, her thyroglobulin, and antithyroglobulinlevels were 0.06 ng/ml and 670 IU/ml, respectively. Low-dose whole-body I-131 scan was negative. To lookfor the cause of isolated increased anti-thyroglobulin level, a whole-body 18F-FDG PET/CT was done which revealed multipleFDG-avid lytic skeletal lesions suggestive of metastases. For confirmation of diagnosis, 18F-FDG PET/CT-guided metabolicbiopsy was done, which revealed Langerhans’ cell histiocytosis on histopathological examination.
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.
Groove Pancreatitis Masquerading as Pancreatic Carcinoma—Detected on 18F-FDG PET/CT
Ashwin Singh Parihar,Bhagwant Rai Mittal,Shelvin Kumar Vadi,Apurva Sood,Rajender Kumar,Usha Dutta 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.6
Groove pancreatitis is a rare form of chronic pancreatitis that affects the groove area adjacent to the second part of the duodenum. Clinical and biochemical features often overlap with other subsets of chronic pancreatitis, while the imaging features resemblethat of carcinoma of the head of pancreas. We present a 38-year-old man with abdominal pain, nausea, vomiting, and loss ofweight who underwent 18F-FDG PET/CT to rule out a pancreatic malignancy. PET/CT imaging features of groove pancreatitisare distinct from the other subsets of chronic pancreatitis, such as alcoholic and autoimmune pancreatitis, and helpful in thediagnosis and planning further management of the patient.
Post-cholecystectomy acute injury: What can go wrong?
Vikas Gupta,Ashish Gupta,Thakur Deen Yadav,Bhagwant Rai Mittal,Rakesh Kochhar 한국간담췌외과학회 2019 Annals of hepato-biliary-pancreatic surgery Vol.23 No.2
Backgrounds/Aims: Most of the emphasis of postcholecystectomy injuries is laid on iatrogenic bilary trauma. However, they can involve a wide spectrum of injuries. Methods: We prospectively evaluated 42 patients with postcholecystectomy injuries referred to us from July 2011 to December 2012. Based on spectrum of injuries, we proposed an algorithm of management. Results: Injuries occurred following laparoscopy in 20 (2 converted) patients and open in 22 patients. Mean time of detection of injury was 4.32±2.33 days. The nature of drainage was bilious in 36, bile with blood in 2, only blood in 2, and enteric in 2. Nine had organ failure at presentation. Six (14%) needed re-operation. Source of hemorrhage was from right hepatic artery in three and small bowel mesentry in 1. Enteric injuries were one each to duodenum and colon. Six patient (14%) died. Advancing age and organ failure were the predictors of mortality. Persistant biliary fistula was seen in 5 (14%). Ten had lateral leaks that closed at 28.89±2.34 days. Twenty-two formed stricture which was successfully managed with definitive hepaticojejunostomy. Conclusions: Post cholecystectomy acute injury does not limit itself to bile duct or vascular injury but it can traumatize adjacent hollow viscus or mesentery. It is important to diagnose and intervene enteric injury early. Presentation and management for such injury should be followed as per the proposed algorithm.
Jain Tarun Kumar,Singh Harmandeep,Kumar Rajender,Bal Amanjit,Sood Ashwani,Mittal Bhagwant Rai 대한핵의학회 2020 핵의학 분자영상 Vol.54 No.5
Pulmonary blastoma (PB) is a rare thoracic malignancy and preoperative diagnosis is challenging. A young man presented with dyspnea and chest pain for 3–4 months and chest-computed tomography (CT) revealed large mass in the left lung upper lobe and pleural effusion. Repeated CT-guided fine-needle aspiration cytology from the lesion and pleural fluid aspiration was negative for malignancy. F-18-fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) revealed heterogeneous tracer avidity in left lung mass with areas of necrosis. Real-time PET-CT-guided biopsy from metabolically active component of the lesion revealed biphasic PB on histopathology.
Incremental Role of 18FDG PET/CT in Assessment of Testicular Viability
Venkata Subramanian Krishnaraju,Dharmender Malik,Rajender Kumar,Giridhar S. Bora,Bhagwant Rai Mittal,Anish Bhattacharya 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.5
Testicular torsion is a common differential diagnosis of acute scrotal pain along with acute epididymo-orchitis, which may lead totesticular non-viability. Doppler ultrasound and testicular scintigraphy are two routinely used modalities for the assessment oftesticular viability. However, in some cases, these investigations may prove inadequate in differentiating between the two entitieswith widely differing management. Here, we present a case of a 52-year-old male with questionable viability of testis, who wasinvestigated initially using testicular scintigraphy and was further subjected to a regional 18F-FDG PET/CT scan, in view ofinconclusive findings with the conventional modalities.