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   2015| January-March  | Volume 30 | Issue 1  
    Online since December 23, 2014

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Use of 99m-technetium-glucoheptonate as a tracer for brain tumor imaging: An overview of its strengths and pitfalls
Amburanjan Santra, Rakesh Kumar, Punit Sharma
January-March 2015, 30(1):1-8
DOI:10.4103/0972-3919.147525  PMID:25589798
Brain tumors represent a vexing clinical problem in oncology due to their increasing incidence, difficulties in treatment and high rates of recurrence. It is especially challenging to evaluate the posttreatment disease status because differentiation of recurrence from treatment-induced changes (radiation necrosis) is not possible with the use of magnetic resonance imaging, the most commonly used imaging method in this setting. Various functional imaging methods, including positron emission tomography and single photon emission computed tomography (SPECT) have been employed in this context. SPECT with 99m-technetium (99mTc)-glucoheptonate (GHA) has shown promising results for differentiation of recurrent brain tumor from radiation necrosis. In this review, we have discussed in details the basics of 99mTc-GHA SPECT imaging in brain tumor along with the available literature in this regard.
  4,265 290 -
Technetium-99m dimercaptosuccinic acid scan in evaluation of renal cortical scarring: Is it mandatory to do single photon emission computerized tomography?
Hussein Rabie Saleh Farghaly, Mohamed Hosny Mohamed Sayed
January-March 2015, 30(1):26-30
DOI:10.4103/0972-3919.147530  PMID:25589802
Objectives: Renal cortical scintigraphy with technetium-99m (Tc-99m) dimercaptosuccinic acid (DMSA) is the method of choice to detect acute pyelonephritis and cortical scarring. Different acquisition methods have been used: Planar parallel-hole or pinhole collimation and single photon emission tomography (SPECT). This study compared planar parallel-hole cortical scintigraphy and dual-head SPECT for detection of cortical defects. Patients and Methods: We retrospectively reviewed 190 consecutive patients with 380 kidneys and 200 DMSA scans referred to rule out renal cortical scarring. The diagnoses were 52 vesicoureteric reflux, 61 recurrent urinary tract infection, 39 hydronephrosis, 20 renal impairment, and 18 hypertension. All patients were imaged 3 h after injection of Tc-99m DMSA with SPECT and planar imaging (posterior, anterior, left, and right posterior oblique views). For each patient, planar and SPECT images were evaluated at different sittings, in random order. Each kidney was divided into three cortical segments (upper, middle and lower) and was scored as normal or reduced uptake. The linear correlation coefficient for the number of abnormal segments detected between planner and SPECT techniques was calculated. Results: From 200 DMSA scans, 100 scans were positive for scar in SPECT images, from which only 95 scans were positive for scar in planner imaging. Out of the five mismatched scans, three scans were for patients with renal impairment and high background activity and two scans were for very small scars. No significant difference was seen in the average number of abnormal segments detected by planar versus SPECT imaging (P = 0.31). The average correlation coefficient between was high (r = 0.91 - 0.92). Conclusions: Tc-99m DMSA renal cortical scanning using SPECT offers no statistically significant diagnostic advantage over multiple views planar imaging for detection of cortical defect.
  2,688 208 -
Potential role of 18 F-2-fluoro-2-deoxy-glucose positron emission tomography/computed tomography imaging in patients presenting with generalized lymphadenopathy
Sellam Karunanithi, Ganesh Kumar, Punit Sharma, Chandrasekhar Bal, Rakesh Kumar
January-March 2015, 30(1):31-38
DOI:10.4103/0972-3919.147532  PMID:25589803
Generalized lymphadenopathy is a common and often vexing clinical problem caused by various inflammatory, infective and malignant diseases. We aimed to review briefly and highlight the potential role of 18 F-2-fluoro-2-deoxy-glucose ( 18 F-FDG) positron emission tomography/computed tomography (PET/CT) in such patients. 18 F-FDG PET/CT can play an important role in the management of generalized lymphadenopathy. It can help in making an etiological diagnosis; can detect extranodal sites of involvement and employed for monitoring response to therapy.
  2,467 134 -
Osteopetrosis: Radiological & Radionuclide Imaging
Cherry Sit, Kanhaiyalal Agrawal, Ignac Fogelman, Gopinath Gnanasegaran
January-March 2015, 30(1):55-58
DOI:10.4103/0972-3919.147544  PMID:25589808
Osteopetrosis is a rare inherited bone disease where bones harden and become abnormally dense. While the diagnosis is clinical, it also greatly relies on appearance of the skeleton radiographically. X-ray, radionuclide bone scintigraphy and magnetic resonance imaging have been reported to identify characteristics of osteopetrosis. We present an interesting case of a 59-year-old man with a history of bilateral hip fractures. He underwent 99m Tc-methylene diphosphonate whole body scan supplemented with single-photon emission computed tomography/computed tomography of spine, which showed increased uptake in the humeri, tibiae and femora, which were in keeping with osteopetrosis.
  2,281 178 -
Role of FDG PET/CT in assessing response to targeted therapy in metastatic lung cancers: Morphological versus metabolic criteria
Ameya D Puranik, Nilendu C Purandare, Sneha Shah, Archi Agrawal, Venkatesh Rangarajan
January-March 2015, 30(1):21-25
DOI:10.4103/0972-3919.147529  PMID:25589801
Introduction: Targeted therapeutic agents are indicated in metastatic lung cancers. These being receptor specific therapies, manifestation of response can be best assessed by estimating the metabolic activity of tumor, rather than the size. This retrospective analysis studied metabolic and morphological response on Positron Emission Tomography (PET) and Computed Tomography (CT), respectively to these agents. Materials and Methods: Thirty-one patients (23 males, 8 females with an age range of 42-77 years) with Epidermal Growth Factor Receptor (EGFR) positive metastatic lung cancer on Gefitinib, who underwent PET/CT, at baseline and at 4-6 weeks, were assessed by Response Evaluation Criteria In Solid Tumors [RECIST] 1.1 and European Organization for Research and Treatment of Cancer (EORTC) criteria. Results: Concordance between RECIST 1.1 and EORTC was seen in 26 (83.7%) patients. Discordance was seen in 5 (16.3%) patients. In patients with discordance, the results were confirmed by follow-up imaging. Metabolic EORTC criteria changed the disease status from stable disease to partial response (3 out of 5) and progressive disease (2 out of 5) in these five patients. Conclusions: Metabolic criteria using PET/CT could accurately predict response as well as disease progression early in the course of targeted therapy, compared to morphologic criteria. In addition, early metabolic response assessment can predict refractoriness of therapy.
  2,211 158 -
Does the intensity of diffuse thyroid gland uptake on F-18 fluorodeoxyglucose positron emission tomography/computed tomography scan predict the severity of hypothyroidism? Correlation between maximal standardized uptake value and serum thyroid stimulating hormone levels
Ankur Pruthi, Partha Sarathi Choudhury, Manoj Gupta, Sameer Taywade
January-March 2015, 30(1):16-20
DOI:10.4103/0972-3919.147528  PMID:25589800
Context: F-18 fluorodeoxyglucose (F-18 FDG) positron emission tomography/computed tomography (PET/CT) scan and hypothyroidism. Aims: The aim was to determine whether the intensity of diffuse thyroid gland uptake on F-18 FDG PET/CT scans predicts the severity of hypothyroidism. Materials and Methods: A retrospective analysis of 3868 patients who underwent F-18 FDG PET/CT scans, between October 2012 and June 2013 in our institution for various oncological indications was done. Out of them, 106 (2.7%) patients (79 females, 27 males) presented with bilateral diffuse thyroid gland uptake as an incidental finding. These patients were investigated retrospectively and various parameters such as age, sex, primary cancer site, maximal standardized uptake value (SUVmax), results of thyroid function tests (TFTs) and fine-needle aspiration cytology results were noted. The SUVmax values were correlated with serum thyroid stimulating hormone (S. TSH) levels using Pearson's correlation analysis. Statistical Analysis Used: Pearson's correlation analysis. Results: Clinical information and TFT (serum FT3, FT4 and TSH levels) results were available for 31 of the 106 patients (27 females, 4 males; mean age 51.5 years). Twenty-six out of 31 patients (84%) were having abnormal TFTs with abnormal TSH levels in 24/31 patients (mean S. TSH: 22.35 μIU/ml, median: 7.37 μIU/ml, range: 0.074-211 μIU/ml). Among 7 patients with normal TSH levels, 2 patients demonstrated low FT3 and FT4 levels. No significant correlation was found between maximum standardized uptake value and TSH levels (r = 0.115, P > 0.05). Conclusions: Incidentally detected diffuse thyroid gland uptake on F-18 FDG PET/CT scan was usually associated with hypothyroidism probably caused by autoimmune thyroiditis. Patients should be investigated promptly irrespective of the intensity of FDG uptake with TFTs to initiate replacement therapy and a USG examination to look for any suspicious nodules.
  2,168 149 -
Use of yttrium-90 hydroxyapatite radiosynovectomy as a primary modality of treatment in diffuse pigmented villonodular synovitis of the knee joint: A first case report
Koramadai Karuppusamy Kamaleshwaran, David Rajan, Boopathi Krishnan, Thirumalaisamy Subbaih Gounder, Sudipta Chakraborty, Radhakrishnan Kalarickal, Vyshakh Mohanan, Ajit Sugunan Shinto
January-March 2015, 30(1):47-50
DOI:10.4103/0972-3919.147539  PMID:25589806
Pigmented villonodular synovitis (PVNS) is a rare, relatively benign, intra-articular lesion characterized by a slowly progressive proliferation of synovial tissue. Knee is the most frequently involved joint. Localized and diffuse forms of synovial involvement were reported. In extensive diffuse cases, total synovectomy is needed, almost impossible to achieve. Hence, other treatment modalities such as intra-articular injection of yttrium-90 have been tried and shown to be effective in reducing the rate of local recurrence with "acceptable" joint damage. Radiosynovectomy is based on the irradiation of the joint synovium by the intra-articular administration of various β-emitting radiopharmaceuticals. We describe the first case report of use of yttrium-90 hydroxyapatite particulates in a 33-year-old male who presented with diffuse PVNS of knee joint as a primary modality of treatment.
  1,735 142 -
Solitary hypervascular liver metastasis from neuroendocrine tumor mimicking hepatocellular cancer: All that glitters is not gold
Shalini Thapar Laroia, Shridhar Sasturkar, Archana Rastogi, Viniyendra Pamecha
January-March 2015, 30(1):42-46
DOI:10.4103/0972-3919.147535  PMID:25589805
Neuroendocrine tumor metastases to the liver can mimic primary hepatocellular carcinoma (HCC) on imaging, cytology, and core biopsy. We present a case study along with the literature review of a patient who presented as a solitary liver mass mimicking HCC and subsequently underwent a partial hepatectomy. The histopathology and immunohistochemisrty of the resected specimen revealed metastatic neuroendocrine carcinoma. Positron emission tomography (PET) scan with 68 Ga-DOTA-NaI-octreotide ( 68 Ga-DOTANOC) localized the primary tumor in the ileum. A curative follow-up surgery for resection of the small bowel containing the primary tumor was carried out. This case illustrates the shortcomings of routine imaging methods, utility of immunocytochemistry and the importance of 68 Ga-DOTANOC PET in determining the metastatic spread as well as the origin of neuroendocrine tumors (NETs). This case report attempts to highlight the current imaging paradigms and management strategy of midgut and other NET's at the point of detection, staging and follow-up.
  1,759 115 -
Validation of virtual spectrometer created in RADlab1.03
Anil Kumar Pandey, Chetan Patel, Chandrasekhar Bal, Rakesh Kumar
January-March 2015, 30(1):9-15
DOI:10.4103/0972-3919.147526  PMID:25589799
Spectrometer is used to perform various in vitro tests. The ability to successfully perform these tests depends on technologist's skill. Therefore, proper training of technologists is mandatory in gamma spectrometry. During the training, they need to have sufficient practice to gain sound theoretical and practical knowledge. High cost of spectrometer and risk of their damage during independent practice may hamper the process of proper training. Hence, there is a need of cheaper and more feasible option. Virtual spectrometer created in RADlab1.03 can address this issue. The immediate objective of this paper is to validate this virtual spectrometer so as to be used as an educational and research tool for trainees. Virtual spectrometer was calibrated using Cs-137 standard source and Cs-137 spectrum was recorded by positioning 28106 Bq Cs-137 source at 2.35 cm above top surface of the well, 1 cm above from the bottom of the well and at the bottom of the well. Ba-133 and Co-60 spectrum were also recorded. The experiments were repeated with real spectrometer for exactly the same conditions as applied to the virtual spectrometer. The paired t-test was applied to find the difference in mean photopeak at 5% level of significance. The sample data provided satisfactory evidence that mean photopeak obtained with real as well as virtual spectrometer were same at P value of 4.641 × 10−4 ,1.57 × 10−12 ,1.40 × 10−24 , 1.26 × 10−16 , and 8.7 × 10−9 for Cs-137 (photopeak: 664 keV, Co-60 (photopeak: 1181 keV), Co-60 (photopeak: Co-1348 keV), Ba-133 (photopeak: 304 keV) and Ba-133 (photopeak: 364 keV) respectively.
  1,625 134 -
Primary breast osteosarcoma: A diagnostic challenge
Arvind Krishnamurthy
January-March 2015, 30(1):39-41
DOI:10.4103/0972-3919.147534  PMID:25589804
Extraskeletal osteosarcomas account for < 1% of the soft tissue sarcomas and are known to more often localize in soft tissues of the lower extremities. Primary osteosarcomas of the breast are extremely rare. A majority of the reported cases were in fact initially erroneously diagnosed and treated as primary breast carcinomas. We recently got to treat an interesting case of a primary breast osteosarcoma and discuss its evaluation and management with added emphasis on the incremental role of technetium 99-methylene diphosphonate (Tc-99m) bone scintigraphy in its clinical diagnosis. Tc-99m uptake can occasionally be seen in the delayed bone scintigraphy images of extra skeletal malignancies, but the uptakes are considered to be typically less intense than the uptakes noted in primary skeletal malignancies. Extraskeletal osteosarcomas are however the exceptions to this rule, the intense uptake in bone scintigraphy further aided in an accurate preoperative diagnosis and management of our patient.
  1,575 143 -
Synchronous thoracic and abdominal enteric duplication cysts: Accurate detection with 99m Tc-pertechnetate scintigraphy
Kunal Kumar, Varun Singh Dhull, Sellam Veetil Karunanithi, Partha Sarathi Chakraborty, Shambo Guha Roy, Shouriyo Ghosh, Sandeep Agarwala, Madhavi Tripathi
January-March 2015, 30(1):59-61
DOI:10.4103/0972-3919.147545  PMID:25589809
Enteric duplication cysts (EDCs) are uncommon congenital anomalies, which can occur anywhere along the gastrointestinal tract and vary greatly in presentation, size, location and symptoms. Ectopic gastric mucosa is reported to be found in 20-30% of these duplications. 99m Tc-pertechnetate scintigraphy is a useful modality for preoperative localization of the ectopic functioning gastric mucosa in the EDCs. We report a case where 99m Tc-pertechnetate scintigraphy was useful in detecting synchronous thoracic and abdominal duplication cysts with functioning gastric mucosa thus having an impact on the patient management.
  1,623 94 -
India College of Nuclear Medicine (an academic wing of the society of Nuclear Medicine, India)

January-March 2015, 30(1):91-93
  1,522 97 -
18 F-fluoro-deoxyglucose positron emission tomography-computed tomography in initial assessment and diagnosis of right atrial angiosarcoma with widespread visceral metastases: A rare case report and review of the literature
Avani Jain, Shelley Simon, Indirani Elangovan
January-March 2015, 30(1):51-54
DOI:10.4103/0972-3919.147541  PMID:25589807
Cardiac angiosarcoma is the most common primary cardiac sarcoma in adults. Primary cardiac tumors are rare and have nonspecific clinical presentation, thus making its diagnosis challenging. Clinically, patients present with advanced disease demonstrating metastatic disease at initial presentation itself. It commonly metastasizes to lung, liver, brain, and bone; however metastases to lymph nodes, adrenal glands, spleen and skin has also been seen. We describe a case of right atrial angiosarcoma with extensive visceral metastases involving brain, lungs, liver, pancreas, kidney, and lymph nodes, demonstrated on contrast-enhanced 18 F-fluoro-deoxyglucose positron emission tomography-computed tomography (FDG PET-CT). To the best of our knowledge metastases to pancreas and kidney have not been reported so far in the literature. With our report, we emphasize on the initial use of FDG PET-CT in workup of cardiac angiosarcoma for accurate staging and prognostication of this disease.
  1,335 104 -
Contrast-enhanced 18 F-fluorodeoxyglucose positron emission tomography/computed tomography in immunoglobulin G4-related retroperitoneal fibrosis
Punit Sharma, Piyali Chatterjee
January-March 2015, 30(1):72-74
DOI:10.4103/0972-3919.147551  PMID:25589813
Immunoglobulin G4 (IgG4)-related disease encompasses a wide variety of immune disorders previously thought be distinct. IgG4-related retroperitoneal fibrosis is one such entity. Metabolic imaging with 18 F-fluorodeoxyglucose ( 18 F-FDG) positron emission tomography/computed tomography (PET/CT) can be useful in the management of IgG4-related retroperitoneal fibrosis. We here discuss the case of 63-year-old male with IgG4-related retroperitoneal fibrosis and the role, 18 F-FDG PET/CT played in his management.
  1,285 91 -
18 F-fluorodeoxyglucose-positron-emission tomography/computed tomography staging of mucinous tubular and spindle cell carcinoma of the kidney
Hakan Ozturk
January-March 2015, 30(1):68-71
DOI:10.4103/0972-3919.147550  PMID:25589812
Mucinous tubular and spindle cell carcinoma of the kidney (MTSCC-K) is an extremely rare carcinoma of the kidney, which develops by malignant differentiation of the collecting ducts or the loop of Henle. The tumor can occur at all ages, with 4 times higher prevalence in females than in males. A 62-year-old female patient presented with an asymptomatic mass lesion in the left kidney. The ultrasound revealed a hyperechogenic mass lesion measuring 4 cm in diameter and centrally located in the left kidney. Computed tomography (CT) revealed an isodense mass lesion measuring 4 cm in diameter and posterolaterally located in the left kidney. Magnetic resonance imaging revealed a renal mass of 4 cm in diameter with hypervascular contrast uptake. For primary staging, 18 F-fluorodeoxyglucose-positron-emission tomography ( 18 FDG-PET)/CT revealed left renal cell carcinoma (RCC) with a maximum standard uptake value of 6.7. The patient underwent transperitoneal radical nephrectomy. The immunohistochemical examination revealed MTSCC-K. 18 FDG-PET/CT provides 81-89% sensitivity and 83-100% specificity in primary staging of the renal cancers, in diagnosing metastatic RCC, and monitoring the response to therapy. Its use in the staging of MTSCC of the kidney has not been previously described in the literature. This case highlights the usefulness of 18 FDG-PET/CT in the staging of this rare tumor.
  1,110 112 -
Fluoro deoxyglucose positron emission tomography-computerized tomography in primary staging and response assessment of a rare case of primary pleural synovial sarcoma
Chidambaram Natrajan Balasubramanian Harisankar, Jijoe John, Kormath Veetil Gangadharan
January-March 2015, 30(1):62-64
DOI:10.4103/0972-3919.147547  PMID:25589810
Primary pleural sarcomas constitute <1% of all primary lung cancers. Synovial sarcomas of the pleura are extremely rare. They may be mistaken for malignant mesothelioma or other spindle cell tumors, but the confirmation is by histology and immunohistochemistry. Synovial sarcomas are aggressive with a high incidence of recurrence. In this case report, we present the 18-fluoride-fluoro deoxyglucose (FDG) positron emission tomography-computerized tomography (PET-CT) findings of patient with primary pleural synovial cell sarcoma. The pretreatment and postchemotherapy FDG PET-CT scans are presented. The role of FDG PET-CT in initial staging and response assessment in this interesting case of pleural synovial sarcoma is presented.
  1,134 75 -
Fluorine-18 fluorodeoxyglucose positron emission tomography-computed tomography in evaluation of residual intramuscular myxoma
Anand Zade, Archana Ahire, Shishir Shetty, Sujith Rai, Rajashekharrao Bokka, Arokiaswamy Velumani, Rasika Kabnurkar
January-March 2015, 30(1):75-77
DOI:10.4103/0972-3919.147553  PMID:25589814
Intramuscular myxoma (IM) is a rare benign neoplasm. In a patient diagnosed with IM of left thigh, we report the utility of a postoperative fluorine-18 fluorodeoxyglucose positron emission tomography-computed tomography scan in assessing the efficacy of surgical excision.
  1,088 77 -
Gliomatosis cerebri mimicking encephalitis evaluated using fluorine-18 fluorodeoxyglucose: Positron emission tomography/computed tomography
Koramadai Karuppusamy Kamaleshwaran, Vijayan Krishnan, Vyshakh Mohanan, Deepu Shibu, Ajit Sugunan Shinto
January-March 2015, 30(1):84-85
DOI:10.4103/0972-3919.147557  PMID:25589818
Gliomatosis cerebri (GC) is a rare condition in which an infiltrative glial neoplasm spreads through the brain with preservation of the underlying structure. F-18 fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) has an important role in demonstrating the appropriate metabolism and differentiating pathologies mimicking GC on CT and magnetic resonance imaging. We describe imaging findings of FDG PET/CT in GC in a 9-year-old male child mimicking encephalitis.
  992 140 -
An uncommon case showing three different pathologies on 99m technetium-methylene diphosphonate bone scintigraphy
Partha Sarathi Chakraborty, Sellam Karunanithi, Varun Singh Dhull, Kunal Kumar, Ravikant Gupta, Madhavi Tripathi
January-March 2015, 30(1):80-81
DOI:10.4103/0972-3919.147555  PMID:25589816
99m Technetium-methylene diphosphonate bone scintigraphy (BS) has an important role in evaluating skeletal pathology, especially its extent. Incidental extra-osseous uptake may sometimes be seen in soft-tissue pathologies. We present a 64-year-old female with skull base osteomyelitis referred for BS which revealed involvement of the skull base on the left side, uptake was also noted in bilateral lungs secondary to hypercalcemia of renal failure and in the D12-L1 vertebrae as the patient had a history of Pott's spine. This is perhaps a unique case showing three findings each of a different etiology in the same scan.
  1,020 93 -
Forced diuresis 18 F-fluorodeoxyglucose positron emission tomography/contrast enhanced in detection of carcinoma of urinary bladder diverticulum
Ramya Soundararajan, Harmandeep Singh, Saurabh Arora, Brusabhanu Nayak, Shamim Ahmed Shamim, Chandrasekhar Bal, Rakesh Kumar
January-March 2015, 30(1):86-88
DOI:10.4103/0972-3919.147559  PMID:25589819
Urinary bladder diverticular carcinomas are uncommon with a lesser incidence of 0.8-10% and its diagnosis still remains a challenge. Cystoscopy is the most reliable method, but evaluating diverticulum with narrow orifices is difficult. Before the initiation of appropriate treatment, proper detection of bladder diverticular carcinoma and its locoregional and distant sites of involvement is necessary. Here, we present a case of 48-year-old male with urinary bladder diverticular carcinoma detected by forced diuretic 18 F-fluorodeoxyglucose positron emission tomography/computerized tomography ( 18 F-FDG PET/CT). This case also highlights the significance of forced diuretic 18 F-FDG PET/CT in the detection, staging, and response evaluation of bladder diverticular carcinoma.
  1,002 97 -
Rare solitary focal tuberculous involvement of liver masquerading as hepatic metastasis on FDG PET/CT in a case of fibular round cell tumor
Ameya D Puranik, Nilendu C Purandare, Epari Sridhar, Archi Agrawal, Sneha Shah, Venkatesh Rangarajan
January-March 2015, 30(1):65-67
DOI:10.4103/0972-3919.147548  PMID:25589811
Finding of focal 18F-fluoro-deoxyglucose (FDG) uptake in liver on FDG positron emission tomography/computed tomography (FDG PET/CT) in a known case of malignancy is often considered to be metastases. We report a similar finding on FDG PET/CT in a case of Ewing's sarcoma of thigh, which turned out to be of tuberculous etiology, an unusual cause of false positive FDG uptake in the liver.
  910 77 -
"Pseudo-thyroid lobe": A diagnostic conundrum caused by ossified anterior longitudinal ligament on bone scan
Maseeh Uz Zaman, Nosheen Fatima, Zafar Sajjad, Unaiza Zaman, Areeba Zaman, Rabia Tahseen
January-March 2015, 30(1):78-79
DOI:10.4103/0972-3919.147554  PMID:25589815
Radionuclide bone imaging is one of the most commonly performed nuclear medicine procedure around the world and characterized by its high sensitivity and relatively low specificity. False positive findings on a bone scan are very common; however, dense uptake over unilateral ossified anterior longitudinal ligament appearing as single thyroid lobe on a bone scan has not been described in the literature.
  918 63 -
Mesenteric metastases of purely myxoid liposarcoma: An unusual behavior of primary tumor depicted on fludeoxyglucose positron emission tomography/computerized tomography
Salih Ozguven, Mustafa Aras, Sabahat Inanir
January-March 2015, 30(1):82-83
DOI:10.4103/0972-3919.147556  PMID:25589817
A 48-year-old male patient with purely myxoid liposarcoma was referred to fludeoxyglucose positron emission tomography/computerized tomography (FDG PET/CT) for restaging. FDG PET/CT images showed a hypodense well-defined intermuscular mass with mild FDG uptake in the right gluteal region. In addition, multiple mild hypermetabolic masses that had similar characteristics with the aforementioned lesion were also revealed in the mesenteric region of abdomen and pelvis.
  857 65 -
18 F-FDG PET/CT imaging in a seldom case of primary malignant melanoma of duodenum
Sachin Jain, Punit Sharma, Sellam Karunanithi, Chandrasekhar Bal, Rakesh Kumar
January-March 2015, 30(1):89-90
DOI:10.4103/0972-3919.147560  PMID:25589820
  671 82 -
175Yb-TTHMP for bone pain palliation
Sim Sai Tin, Viroj Wiwanitkit
January-March 2015, 30(1):90-90
DOI:10.4103/0972-3919.147561  PMID:25589821
  592 58 -