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Jagtap V.S.,Seth Gordhandas Sunderdas Medical College | Sarathi V.,Seth Gordhandas Sunderdas Medical College | Lila A.R.,Seth Gordhandas Sunderdas Medical College | Malhotra G.,Bhabha Atomic Research Center | And 4 more authors.
Endocrine Practice | Year: 2011

Objective: To describe the clinical presentation, localization modalities, and management of patients with tumor-induced osteomalacia (TIO).Methods: We performed a retrospective analysis of case records of patients diagnosed with TIO between January 1996 and March 2010 at our institution in Mumbai, India.Results: Nine patients (6 female and 3 male) with a mean age of 37.5 ± 17.5 years with biochemical and imaging evidence of TIO were included in the study. Overall, patients presented with proximal muscle weakness and pain. Three patients had neurofibromatosis 1, one had isolated schwannoma, and one had epidermal nevus syndrome. The mean delay in diagnosis was 7.67 years. Biochemical studies revealed normal serum calcium (mean, 9.2 ± 0.8 mg/dL), low serum phosphorus (mean, 1.36 ± 0.54 mg/dL), and low maximal tubular reabsorption of phosphorus factored for glomerular filtration rate (mean, 0.94 ± 0.49 mg/dL). Fibroblast growth factor-23 was increased in 3 of the patients without neurofibromatosis but was normal or near-normal in all the patients with neurofibromas. A fludeoxyglucose F 18 positron emission tomography (FDG PET) scan helped to localize the tumors in 4 of the 5 patients with diagnoses other than neurofibromatosis. Three patients underwent surgical excision and were cured. One patient underwent biopsy and partial excision. Histopathologic findings were suggestive of phosphaturic mesenchymal tumor, benign fibrous histiocytoma, nonossifying fibroma, and sciatic nerve schwannoma.Conclusion: There is a well-known delay in the diagnosis of TIO. FDG PET is a useful modality for localization of tumors. Preoperative localization increases the odds for cure after surgical excision. Copyright © 2011 AACE. Source


Rane S.,Seth Gordhandas Sunderdas Medical College | Gondhalekar J.,Seth Gordhandas Sunderdas Medical College | Dandekar S.,Seth Gordhandas Sunderdas Medical College
Journal of Postgraduate Medicine | Year: 2014

Background: Ethyl alcohol exerts both positive and negative effects on the cardiovascular system. Alcoholic cardiomyopathy, produced by direct or indirect mechanisms, is well-documented. An important, but seldom appreciated effect is an increase in iron deposition in the myocardium, which can add to the cardiac dysfunction. The present study was planned to document the pathological features and iron levels in the cardiac tissue of patients who were chronic alcoholics and correlate these characteristics with the liver pathology and iron content. Materials and Methods: An autopsy-based prospective study of 40 consecutive patients compared with ten age matched controls (no history of alcohol intake). Histopathological changes like the morphology of the cardiac myocytes, degree of fibrosis (interstitial, interfiber, perivascular, and replacement), presence of inflammatory cells, increased capillary network, and adipose tissue deposition were noted and graded. These were also correlated with the liver pathology. The iron content in the heart and liver were measured by using calorimetry. Results: All cases had increased epicardial adipose tissue with epicardial and endocardial fibrosis, prominence of interstitial and interfiber fibrosis, myofiber degeneration, and increased capillary network; this was particularly prominent in patients with cirrhosis. Elemental iron level in heart tissue was raised in the cases relative to controls. Conclusions: Alcohol produces subclinical changes in the myocardium, with an increased iron content, which may be the forerunner for subsequent clinical cardiac dysfunction. Source

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