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Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India

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https://www.readbyqxmd.com/read/28533656/68ga-dota-d-phe1-tyr3-octreotide-dotatoc-pet-ct-in-a-suspected-case-of-recurrent-meningioma
#1
Sachin Jain, Ashwani Gupta, Anurag Jain
No abstract text is available yet for this article.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533655/-18-f-fdg-pet-ct-in-localizing-additional-cns-lesion-in-a-case-of-langerhans-cell-histiocytosis-determining-accurate-extent-of-the-disease
#2
Shamim Ahmed Shamim, Sarthak Tripathy, Anirban Mukherjee, Chandrasekhar Bal, Madhavi Tripathi
Central nervous system involvement is a rare manifestation of Langerhans cell histiocytosis (LCH), with bone and skin lesions being more frequent. MR remains the investigation of choice for localizing brain lesions. However, due to poor sensitivity of MRI in detecting osseous and pulmonary lesions, it is not used routinely in staging purposes until and unless indicated. We hereby discuss a case of 6-year-old boy of LCH who was referred for 18-F-FDG PET/CT for staging and knowing the extent of the disease, but a lesion in hypothalamus was picked up incidentally on FDG PET-CT study that was confirmed by MRI...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533654/psma-expression-in-multinodular-thyroid-neoplasm-on-simultaneous-ga-68-psma-pet-mri
#3
Amarnath Jena, Shuaib Zaidi, Vikas Kashyap, Abhishek Jha, Sangeeta Taneja
PSMA PET is increasingly being used in imaging of recurrent prostate carcinoma. A case with suspected recurrent Prostate carcinoma (PCa), raised PSA (Prostate specific antigen) and suspected spinal metastases was referred for whole body Ga-68-PSMA PET/MRI. The study revealed PSMA avid recurrent prostate mass and extensive osseous metastases. Abnormal PSMA uptake in the thyroid gland prompted USG-guided FNAC which revealed Hurthle cell neoplasm. Histopathological examination (HPE) of excised gland showed multiple Hurthle cell adenomas in both lobes of thyroid along with foci of papillary thyroid carcinoma which on immunohistochemistry were thyroglobulin positive and PSA negative...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533653/unusual-presentation-of-rare-cardiac-tumor-the-role-of-f-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#4
Sameer Kamalakar Taywade, Nishikant Avinash Damle, Madhavi Tripathi, S T ArunRaj, Averilicia Passah, Amarinder Singh Malhi, Sanjeev Kumar, Chandrasekhar Bal
Primary cardiac tumors are rare with angiosarcoma being the most common among malignant cardiac tumor. We present a case of 30-year-old female patient in whom F-18-fluorodeoxyglucose positron emission tomography/computed tomography demonstrated a necrotic mass in right atrium with multiple fluorodeoxyglucose avid lesions in both upper and lower alveolus, liver, multiple bones, and bilateral lungs. Patient underwent biopsy from gum swelling which revealed metastatic angiosarcoma.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533652/peritoneal-super-scan-on-18-f-fdg-pet-ct-in-a-patient-of-burkitt-s-lymphoma
#5
Shambo Guha Roy, Girish Kumar Parida, Sarthak Tripathy, Abhinav Singhal, Shamim Ahmed Shamim, Madhavi Tripathi
Peritoneal lymphomatosis is seen less frequently, but when seen, it is mostly associated with aggressive variants of malignancies. FDG uptake has been reported in peritoneal lymphomatosis both in DLBCL and Burkitt's lymphoma. We report a case of Burkitt's lymphoma with involvement of entire peritoneum, which looks like a "peritoneal super scan" on FDG PET-CT.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533651/primary-germ-cell-tumor-of-testes-with-extensive-lymph-nodal-and-splenic-metastases-masquerading-lymphoma-on-18-f-fdg-pet-ct
#6
Sarthak Tripathy, Anirban Mukherjee, Chandrasekhar Bal, Madhavi Tripathi, Saumyaranjan Mallick, Shamim Ahmed Shamim
Germ cell tumors (GCT) account for the 95% of the malignancies associated with testes. They are the most common solid malignancies affecting the males in the age group of 15-35 years. It is known to be bilateral in 3% of cases. We herein present FDG PET-CT findings of a case with biopsy proven GCT with multiple lymph nodal and splenic metastases mimicking lymphomatous neoplasm.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533650/extensive-visceral-calcification-demonstrated-on-99m-tc-mdp-bone-scan-in-patient-with-carcinoma-penis-and-hypercalcemia-of-malignancy
#7
Sunny J Gandhi, Bhavdeep Rabadiya
Hypercalcemia is a common life-threatening complication associated with several malignancies. Parathyroid-related peptide has been shown to cause hypercalcemia in several solid tumors but rarely in penile cancer. We report a case of penile cancer with hypercalcemia causing metastatic visceral calcification in lungs, liver, and stomach detected on bone scan without significant abnormalities on CT scan.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533649/cerebral-toxoplasmosis-masquerading-cns-lymphoma-on-fdg-pet-ct-in-post-renal-transplant-patient
#8
Anirban Mukherjee, Chandrasekhar Bal, Madhavi Tripathi, Chandan Jyoti Das, Shamim Ahmed Shamim
20 year old post renal transplant patient developed recurrent episodes of seizure. MRI revealed focal lesion in right parieto-occipital lobe with perilesional edema. FDG PET-CT revealed multiple hypermetabolic lesions in bilateral cerebral hemisphere. Subsequent biopsy from the lesion demonstrated bradyzoites of Toxoplasma gondii with inflammatory cells and thereby, a confirmatory diagnosis of cerebral toxoplasmosis was made. This case demonstrates the fact that increased FDG uptake in cerebral lesions in post transplant patient should be interpreted with caution and confirmed with histopathological correlation...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533648/increased-f-fdg-uptake-in-bilateral-gynecomastia-secondary-to-feminizing-adrenal-tumor-a-rare-case-report-and-review-of-literature
#9
Priyanka Verma, Gaurav Malhotra, Sneha Kothari, Rajlaxmi Jagtap, Ramesh V Asopa
A 21 year old male who presented with painful enlargement of both the breasts and a hyperestrogenic state, was found to harbor a heterogeneous mass arising from the right adrenal on contrast enhanced Computed Tomography abdomen. The mass was hypermetabolic with no regional, nodal or distant metastases on Fluorine-18 Fluorodeoxyglucose Positron Emission Tomography /Computed Tomography examination. Notably, substantial tracer uptake was seen in bilateral gynecomastia. The patient underwent a right adrenalectomy with the histopathology report confirming adrenocortical carcinoma...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533647/f-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-appearance-of-extramedullary-hematopoesis-in-a-case-of-primary-myelofibrosis
#10
Anirban Mukherjee, Chandrasekhar Bal, Madhavi Tripathi, Chandan Jyoti Das, Shamim Ahmed Shamim
A 44-year-old female with known primary myelofibrosis presented with shortness of breath. High Resolution Computed Tomography thorax revealed large heterogeneously enhancing extraparenchymal soft tissue density mass involving bilateral lung fields. F-18-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography revealed mildly FDG avid soft tissue density mass with specks of calcification involving bilateral lung fields, liver, and spleen. Subsequent histopathologic evaluation from the right lung mass was suggestive of extramedullary hematopoesis...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533646/image-findings-of-rare-case-of-peritoneal-carcinomatosis-from-non-small-cell-lung-cancer-and-response-to-erlotinib-in-f-18-fdg-positron-emission-tomography-computed-tomography
#11
Koramadai Karuppusamy Kamaleshwaran, Jephy Joseph, Radha Krishnan Kalarikal, Ajit Sugunan Shinto
Lung cancer is currently one of the most common malignancies in the world. Metastatic disease is observed in ~ 40% of patients with lung cancer, with the most common sites of metastasis being the bone, liver, brain and adrenal glands. Peritoneal carcinomatosis (PC) is defined as the progression of the primary cancer to the peritoneum. PC is a rare clinical event in lung cancer. Tyrosine kinase inhibitors targeting the epidermal growth factor receptor (EGFR), such as erlotinib are used for the treatment of patients with advanced non-small cell lung cancer (NSCLC)...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533645/image-findings-of-polyostotic-fibrous-dysplasia-mimicking-metastasis-in-f-18-fdg-positron-emission-tomography-computed-tomography
#12
Koramadai Karuppusamy Kamaleshwaran, Jephy Joseph, Radhakrishnan Kalarikal, Ajit Sugunan Shinto
Fibrous dysplasia (FD) of the bone is characterized by the medullary cavity of bones becoming filled with fibrous tissue, and its etiology remains unknown. It is usually asymptomatic and found incidentally on imaging studies that are performed for other purposes. FD may closely mimic the appearance of bony metastatic disease on radiological examinations. We report the case of a 45-year-old female patient, which appeared to have multiple bone lesions on initial workup images. Subsequently, the bone lesions that showed increased FDG uptake on PET/CT in right femur and tibia were identified as FD...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533644/atypical-parathyroid-adenoma-with-multiple-brown-tumors-as-initial-presentation-a-rare-entity
#13
V S Krishna Mohan, Manishi L Narayan, Arun Mukka, Bharath Bachimanchi, Amit Kumar Chowhan, B Vijayalakshmi Devi, Suresh Vaikkakara, Alok Sachan
Brown tumors seen in hyperparathyroidism are rare, non-neoplastic lesions because of abnormal bone metabolism, and they can mimic benign bone tumors or malignancy. Although biopsy is considered as the gold standard for diagnosis, it can be inconclusive. As the diagnosis of brown tumors is often challenging, a high index of suspicion is essential for diagnosis. We present a case of 21-year-old woman who presented with multiple painful bony lesions, which were initially misdiagnosed as fibrous dysplasia. Due to persistent bone pain and deterioration in her physical mobility, she was referred to tertiary care centre...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533643/unsuspected-active-ulcerative-colitis-in-a-patient-with-dermatomyositis-a-rare-association-detected-on-18-f-fdg-pet-ct-during-the-search-for-an-occult-malignancy
#14
Sampanna Jung Rayamajhi, Arun Kumar Reddy Gorla, Rajender Kumar Basher, Ashwani Sood, Bhagwant Rai Mittal
Dermatomyositis is an inflammatory myopathy with the characteristic features of skin rash and myopathy. We here present a known case of dermatomyositis evaluated with (18)F-FDG PET/CT for the presence of any occult malignancy. The scan was negative for the presence of any malignancy. However, it revealed multiple intensely FDG avid colonic strictures that were later proven on colonoscopic biopsy to be ulcerative colitis. Also, a well-known association of bilateral sacroilitis was simultaneously demonstrated on the scan...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533642/hepatic-pseudolesion-in-svc-obstruction-99m-technetium-sulfur-colloid-scan-equivalent-of-quadrate-lobe-hot-spot-sign-on-computerized-tomography
#15
Reddy Ravikanth, Arun George, Babu Philip
An area of increased activity in segment IV of liver (quadrate lobe) on (99m)Tc-sulfur colloid (TSC) scans has been well documented in patients with superior vena cava obstruction. Similarly intense enhancement of the quadrate lobe in the arterial phase may be seen on computed tomography in patients of superior vena cava syndrome. We present this imaging finding in a case of malignant thymoma causing superior vena cava syndrome and discuss the physiological cause and importance of this sign.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533641/image-findings-of-a-rare-case-of-neuroendocrine-tumor-metastatic-to-orbital-extraocular-muscle-in-gallium-68-dotanoc-positron-emission-tomography-computed-tomography-and-therapy-with-lutetium-177-dotatate
#16
Koramadai Karuppusamy Kamaleshwaran, Jephy Joseph, Indra Upadhya, Ajit Sugunan Shinto
Metastatic tumor is one of several etiologies of space-occupying masses in the orbit that accounts for 1-13% of all orbital masses. In the adult patient population, breast cancer is the most common tumor to metastasize to the orbit, followed by metastasis from the lung, prostate, and gastrointestinal tract. Carcinoid tumors are rare neuroendocrine neoplasms derived from enterochromaffin cells, which are found primarily in the gastrointestinal tract and bronchial tree. Liver metastases are the classic presentation of distant disease...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533640/fdg-pet-ct-need-for-vigilance-in-patients-treated-with-bleomycin
#17
Anna N Paschali, Gopinath Gnanasegaran, Gary J Cook
Bleomycin-induced interstitial lung disease is not a rare complication of treatment and may prove to be fatal if not suspected early in its course. As FDG PET-CT has become an essential clinical tool for interim and end-of-treatment response assessment in oncology, it is important that radiologists/nuclear medicine specialists be aware of the features of this potentially treatable condition so that treatment can be instigated during an early reversible phase before pulmonary damage has occurred. Herein, we report two cases of bleomycin toxicity featuring different patterns on the treatment-response assessment FDG PET-CT scan...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533639/metastatic-brachial-plexopathy-with-brain-and-spinal-metastasis-in-a-case-of-recurrent-breast-carcinoma-demonstrated-on-18-f-fdg-pet-ct
#18
Sunny J Gandhi, Bhavdeep Rabadiya
We report a case of a 56-year-old woman diagnosed with infiltrating ductal carcinoma of the left breast, who had undergone left modified radical mastectomy followed by radiotherapy and adjuvant chemotherapy. FDG PET-CT showed metastatic brachial plexopathy with intra-spinal and extra-axial brain metastasis. Metastatic brachial plexopathy along with brain and spinal metastasis is a rare condition with very less incidence. The scan also showed left para-sternal anterior chest wall recurrence with antero-superior mediastinal metastasis...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533638/clinical-utility-of-gallium-68-psma-pet-ct-scan-for-prostate-cancer
#19
Kumaraswamy G Kallur, Prashanth G Ramachandra, Krishnappa Rajkumar, Shivakumar S Swamy, Indiresh Desai, Raghavendra M Rao, Shekhar Gowda Patil, P S Sridhar, Nagaraj Madhusudhan, Raghunath S Krishnappa, Veerendra Bhadrasetty, Hemantha M Kumara, S D Santhosh, Basavalingaiah S Ajaikumar
BACKGROUND: Prostate cancer is biologically and clinically a heterogeneous disease that makes imaging evaluation challenging. One of the important challenges in this cancer is to detect recurrent disease. Biochemical response using Prostate Specific Antigen (PSA) and Imaging using several PET tracers have poor sensitivity and specificity. Therefore, we analyse the role of Ga68-PSMA (Prostate Specific Membrane Antigen) imaging in prostate cancer, which is a new PET tracer. METHODS: In this study, we evaluated PET scans of 262 patients with diagnosis of prostate cancer...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533637/development-and-validation-of-the-suprathreshold-stochastic-resonance-based-image-processing-method-for-the-detection-of-abdomino-pelvic-tumor-on-pet-ct-scans
#20
Kartik Saroha, Anil Kumar Pandey, Param Dev Sharma, Abhishek Behera, Chetan Patel, Chandrashekhar Bal, Rakesh Kumar
PURPOSE: The detection of abdomino-pelvic tumors embedded in or nearby radioactive urine containing 18F-FDG activity is a challenging task on PET/CT scan. In this study, we propose and validate the suprathreshold stochastic resonance-based image processing method for the detection of these tumors. METHODS: The method consists of the addition of noise to the input image, and then thresholding it that creates one frame of intermediate image. One hundred such frames were generated and averaged to get the final image...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
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