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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/29643691/incidental-meningioma-on-68-ga-dotanoc-positron-emission-tomography
#1
Ashwin Singh Parihar, Rajender Kumar Basher, Nivedita Rana, Bhagwant Rai Mittal
No abstract text is available yet for this article.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643690/decisive-role-of-nuclear-imaging-in-a-rare-pancreatic-incidentaloma
#2
Madhusudhanan Jegadeesan, Chidambaram Natrajan Balasubramanian Harisankar, Thippa Sivaraman Nivetha, Thippa Sivaraman Swetha, Mariappan Murugan, Alwin Gunaraj, Alwar Ramanujam
Pancreatic incidentalomas are increasingly recognized entities that occur as a fallout of widespread availability of high definition imaging technology. These lesions offer diagnostic dilemmas to both clinicians and radiologists alike. Nevertheless, it is the advancement in diagnostic radiology that comes to the rescue in the management of these not-so-uncommon lesions.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643689/the-utility-of-tc-99m-hydroxymethylene-diphosphonate-single-photon-emission-computed-tomography-computed-tomography-in-symptomatic-os-trigonum
#3
Sharjeel Usmani, Noora Bin Essa, Fahad Marafi, Rashid Rasheed, Fareeda Al Kandari
Os trigonum is a congenital condition in which a bone ossicle fails to fuse to a secondary ossification center in the posterior aspect of the talar bone. Repetitive plantar flexion of the foot may elicit inflammation of the ossicles fibrous connective band, subsequently causing pain. It is common to misdiagnose os trigonum as an avulsion fracture. We report a case of a 23-year-old male with symptomatic os trigonum diagnosed on Tc-99m hydroxymethylene diphosphonate single-photon emission computed tomography-computed tomography (SPECT-CT)...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643688/simultaneous-18f-fdg-pet-mri-in-autoimmune-limbic-encephalitis
#4
Sangeeta Taneja, Vinit Suri, Aashim Ahuja, Amarnath Jena
Limbic encephalitis is an autoimmune disorder characterized by inflammation of the brain with rapidly progressing dementia which requires definitive neurological evaluation. We describe both clinical as well as imaging findings in a case of limbic encephalitis using positron emission tomography/magnetic resonance imaging.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643687/atypical-hemangioma-mimicking-metastasis-on-18f-sodium-fluoride-positron-emission-tomography-computed-tomography-and-magnetic-resonance-imaging-gallium-68-prostate-specific-membrane-antigen-positron-emission-tomography-improves-the-specificity-of-bone-lesions
#5
Sharjeel Usmani, Fahad Marafi, Rashid Rasheed, Fareeda Al Kandari, Najeeb Ahmed
Vertebral hemangioma is a benign condition, but sometimes, it might represent as diagnostic dilemma especially in elderly patient mimicking serious pathology like metastasis. We report a case of a 66-year-old man with prostate cancer. 18F-sodium fluoride positron emission tomography-computed tomography (18 F-NaF PET-CT) demonstrates increased radiotracer uptake at body of D4 vertebra. Magnetic resonance imaging shows features of atypical hemangioma; however, metastasis cannot be ruled out. To rule out bone metastasis, gallium-68-prostate-specific membrane antigen PET-CT is performed which shows no abnormal lesion...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643686/primary-fibroblastic-osteosarcoma-of-the-lumbar-vertebra-on-fluorine-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#6
Jae Pil Hwang
A 37-year-old man who presented with one year history of lower back and right buttock pain was investigated with contrast enhanced computed tomography (CT), magnetic resonance imaging (MRI), and fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography which revealed a diagnosis of primary fibroblastic osteosarcoma of the lumbar vertebra. This case highlights the importance of PET/CT imaging.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643685/unilateral-brown-fat-suppression-on-fdg-pet-ct-detecting-sympathetic-denervation
#7
Saurabh Arora, Nishikant Avinash Damle, K Sreenivasa Reddy, Girish Kumar Parida, Abhinav Singhal, Sreedharan Thankarajan Arunraj, Chandrasekhar Bal, Roma Singh, Shobhana Raju, Dhritiman Chakraborty
We present here a case of primitive neuroectodermal tumor (PNET) who initially presented with involvement of the right 3rd rib and underwent neoadjuvant chemotherapy, rib excision, and adjuvant chemoradiotherapy and later underwent posterolateral thoracotomy, pleural nodule excision, and the right 11th rib metastatic lesion excision. Follow-up 18 F-FDG PET/CT/computed tomography revealed unilateral brown fat suppression in the form of decreased metabolic uptake in the ipsilateral cervical, axillary, and paravertebral brown fat as compared to metabolically active contralateral brown fat, likely due to paravertebral sympathetic chain damage...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643684/posterior-layering-of-fluorine-18-fluorodeoxyglucose-in-the-urinary-bladder
#8
Alex Cheen Hoe Khoo
An 89-year-old man undergoing fluorine-18 fluorodeoxyglucose positron emission tomography/ computed tomography (18 F-FDG PET/CT) study posttherapy for hepatocellular carcinoma was noted to have 18 F-FDG posterior layering of the urinary bladder. This phenomenon of posterior layering of 18 F-FDG in the urinary bladder during PET/CT studies is physiological, and it is important to recognize to avoid misinterpretation and unnecessary investigations. The hypotheses for the cause of this phenomenon are highlighted in these interesting images including the reversed phenomenon where there is anterior layering of 18 F-FDG...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643683/postrenal-transplant-allograft-page-kidney-identified-and-salvaged-using-99m-tc-diethylenetriaminepentaacetic-acid-renogram-and-single-photon-emission-computed-tomography
#9
Aashish Gambhir, Indirani Elangovan, Shelley Simon, Avani Jain
99m Tc diethylenetriaminepentaacetic acid (DTPA) renogram is a commonly performed evaluation postrenal transplant to assess graft function and for early detection of suspected immediate and late transplant-associated complications. Although several modalities can be utilized to detect perinephric collection in posttransplant period, the utility of 99m Tc DTPA single-photon emission-computed tomography (SPECT-CT) is not recognized. Herein, we discuss the incremental role of seldom considered SPECT-CT in early detection, leading to timely appropriate management and graft salvage in a case of posttransplant deteriorating renal allograft as a result of subcapsular hematoma...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643682/lumbar-gout-tophus-mimicking-epidural-abscess-with-magnetic-resonance-imaging-bone-and-gallium-scans
#10
Justo Serrano Vicente, Alejandro Lorente Gómez, Rafael Lorente Moreno, Jose Rafael Infante Torre, Lucía García Bernardo, Juan Ignacio Rayo Madrid
Gout is a common metabolic disorder, typically diagnosed in peripheral joints. Tophaceous deposits in lumbar spine are a very rare condition with very few cases reported in literature. The following is a case report of a 52-year-old patient with low back pain, left leg pain, and numbness. Serum uric acid level was in normal range. magnetic resonance imaging, bone scan, and gallium-67 images suggested an inflammatory-infectious process focus at L4. After a decompressive laminectomy at L4-L5 level, histological examination showed a chalky material with extensive deposition of amorphous gouty material surrounded by macrophages and foreign-body giant cells (tophaceous deposits)...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643681/mismatch-in-brain-perfusion-and-metabolism-detected-with-99m-tc-hexamethyl-propylene-amine-oxime-single-photon-emission-computed-tomography-and-18-f-fluorodeoxyglucose-positron-emission-tomography-in-moyamoya-disease
#11
Justo Serrano Vicente, Luis Fernández Prudencio, José Rafael Infante Torre, Juan Ignacio Rayo Madrid
We report a 47-year-old woman who developed an ischemic stroke with diplopia and dysarthria. Emergency computed tomography (CT) showed no pathological findings, and magnetic resonance (MR) showed mild ischemic-degenerative lesions. MR angiography and angiogram showed severe stenosis of both internal carotid and main intracranial arteries with plenty collateral vessels with "puff of smoke" suggesting a moyamoya disease (MMD). Brain perfusion single-photon emission CT showed global diminished perfusion in the brain lobes and a marked relative hyperperfusion in the cerebellum...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643680/fluorodeoxyglucose-positron-emission-tomography-computed-tomography-evaluation-of-an-interesting-case-of-uterine-carcinosarcoma-with-isolated-appendicular-skeletal-metastases
#12
Chidambaram Natrajan Balasubramanian Harisankar
Uterine carcinosarcomas, also known as malignant mixed mullerian tumors, are one of the rare and most aggressive neoplasms of the uterus. They have an aggressive course and can spread to distant organs. Owing to the low incidence of these tumors, the optimal adjuvant management after surgery is not well established. Many patients develop distant metastases during follow-up. An interesting case of uterine carcinosarcoma who developed metastases to the femur, tibia, and calcaneum during follow is presented.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643679/a-rare-case-of-sarcoidosis-presenting-as-diffuse-contracturing-granulomatous-myositis-on-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#13
Krishnadas Thulasidoss, Sowmya Sridharan, Lavanya Ashokan, Piyush Chandra
Fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) is an established imaging modality in diagnosis and treatment response monitoring of sarcoidosis. Multisystemic involvement of sarcoidosis is characteristically seen on PET/CT; however, isolated organ involvement is rare. We describe here a case of a 52-year-old male with generalized muscle weakness, an extremely rare clinical manifestation of sarcoidosis.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643678/metabolic-bone-superscan-in-carcinoma-breast-with-occult-graves-disease-looking-beyond-skeletal-metastases
#14
Ashwin Singh Parihar, Ashwani Sood, Tinu Thadiyananickal Lukose, Rajeev Kumar Seam, Bhagwant Rai Mittal
Extrathyroidal manifestations of autoimmune thyroid disorders include thyroid-associated ophthalmopathy, thyroid dermopathy, and thyroid acropachy. Thyroid acropachy is an extreme manifestation of autoimmune thyroid disorder characterized by clubbing and swelling of fingers and toes, with or without periosteal reaction of the distal bones. We present a 50-year-old woman, posttreatment for carcinoma breast (6 years back) and referred for bone scan for generalized body ache. Bone scan findings resulting in detailed clinical evaluation prompted toward the suspicion of a thyroidal disease with ultimate diagnosis of Graves' disease...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643677/gossypiboma-of-axilla-imaging-pitfalls-on-fluorodeoxyglucose-positron-emission-tomography-and-computed-tomography
#15
Manohar Kuruva, Kedar Jambhekar, Sanjaya Viswamitra, Roopa Ram
18F-fluorodeoxyglucose (FDG) positron emission tomography (PET) with computed tomography (CT) has become the standard of care in staging, restaging, and response assessment of various malignancies including malignant melanoma. However, nonspecific uptake of FDG can occur in infectious and inflammatory conditions and can mimic a tumor. We present here a case of gossypiboma of the axillary region with FDG uptake detected in a patient with malignant melanoma of the upper extremity and discuss the potential pitfalls of this entity on FDG-PET/CT...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643676/discordant-primary-resistance-to-imatinib-mesylate-in-the-same-individual-and-splenic-involvement-in-recurring-gastric-gastrointestinal-stromal-tumors-assessment-by-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#16
Preeti Fargose, Sandip Basu
Discordant primary resistance and response of the metastatic lesions in the same individual coupled with splenic involvement in gastrointestinal stromal tumors (GISTs) are relatively uncommon. We herein report such a case of recurring GIST of the stomach that presented with the involvement of spleen with 18 F-fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) imaging documentation. Ultrasonography-guided fine needle aspiration cytology from the splenic and paravesical lesions demonstrated metastatic spindle cell tumor consistent with diagnosis of metastasis from GIST of the stomach...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643675/serendipitous-unearthing-of-silent-multiple-giant-rasmussen-s-aneurysms-by-fluorine-18-fluorodeoxyglucose-positron-emission-tomography-computerized-tomography
#17
Vatturi Venkata Satya Prabhakar Rao, Sujatha Naidu, Gangireddy Venkateshwar Reddy, Swetha Hanumanthu
The authors report multiple giant bilateral pseudoaneurysms of pulmonary artery, also known as Rasmussen's aneurysms, which remained silent and unrevealed despite the large size and multiplicity unearthed by fluorine-18 fluorodeoxyglucose positron emission tomography/computerized tomography.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643674/unusually-large-brown-tumor-of-mandible-in-a-case-of-secondary-hyperparathyroidism-mimicking-cherubism
#18
Alka Ashmita Singhal, Sanjay Saran Baijal, Deepak Sarin, Atul Pathak
We report here a case of unusually large brown tumor of mandible mimicking cherubism in a patient with secondary hyperparathyroidism (HPT). The patient is a young male with a large head and a protruding jaw with an open mouth appearance. Initial clinical appearance looked like cherubism. However further clinical, biochemical, and radiological evaluation revealed a large brown tumor in a case of prolonged secondary HPT, which was confirmed on histopathology. All of the typical advanced radiological features of HPT were noted, highlighting the severity of progression of the disease...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643673/incomplete-form-of-primary-hypertrophic-osteoarthropathy-touraine-solente-gole-syndrome-masquerading-as-polyartrhalgia-diagnosed-in-technetium-99m-methylene-diphosphonate-scintigraphy-an-interesting-case-report
#19
Thangalakshmi Sivathapandi, Jaykanth Amalachandran, Shelley Simon, Indirani Elangovan
The primary hypertrophic osteoarthropathy (PHOA) (pachydermoperiostosis) is a rare genetic/hereditary disease characterized by skin changes (pachydermia), clubbing of fingers and periosteal thickening (periostitis) with sub-periosteal new bone formation. Here we describe a case of an adolescent male who presented with clubbing and polyarthralgia. On evaluation with scintigraphy and SPECT-CT, he was diagnosed to have incomplete form of PHOA(skeletal manifestations without skin changes). The identification of incomplete form of primary hypertrophic osteoarthropathy which can be easily misdiagnosed as rheumatoid arthritis is discussed here...
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29643672/an-interesting-case-of-retropharyngeal-lymph-nodal-metastases-in-a-case-of-iodine-refractory-thyroid-cancer
#20
Chidambaram Natrajan Balasubramanian Harisankar, Ramakrishnan Vijayabhaskar
Metastases to cervical lymph node are fairly common in differentiated thyroid cancer. In iodine-refractory disease, the disease may persist in the thyroid bed, cervical lymph nodes, lungs, or the bones commonly. Retropharyngeal lymph nodal involvement in thyroid cancer is unusual and may even be the presenting complaint. We represent a case of iodine-refractory thyroid cancer with retropharyngeal lymph nodal involvement in addition to lung metastases.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
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