SummaryBackgroundLeiomyomatosis peritonealis disseminata (LPD) is a rare condition characterized by formation of multiple leiomyomas in the abdominal and pelvic peritoneum. Malignant transformation of LPD is an extremely rare occurrence. We hereby report a case of a middle-aged female who was subsequently diagnosed with leiomyomatosis peritonealis disseminata with a few of the lesions showing malignant transformation.Case ReportA forty-year-old female with a history of hysterectomy presenting with vague abdominal pain was completely evaluated with ultrasound (US), computed tomography (CT) and magnetic resonance imaging (MRI) and was subsequently diagnosed with leiomyomatosis peritonealis disseminata. The imaging findings of leiomyomatosis peritonealis disseminata were correlated with and confirmed by a histopathologic examination of the excision biopsy specimen.ConclusionsThe imaging findings were found to be specific for leiomyomatosis peritonealis disseminata with a malignant transformation.
SummaryBackgroundGerm cell tumors of the ovary constitute less than one percent of ovarian tumors worldwide. Choriocarcinoma arising de novo from the ovary is very rare and only occasionally reported in the literature. Herein, we report a case of bilateral non-gestational pure primary ovarian choriocarcinoma that was confirmed by beta human chorionic gonadotropin (β-HCG) levels and histopathology.Case ReportOur case is of a middle-aged multiparous female who presented with amenorrhea for three months. She underwent an evaluation with ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI), which revealed bilateral bulky solid adnexal masses. Based on an increased blood level of the beta human chorionic gonadotropin and a histopathological examination, the diagnosis of bilateral non-gestational pure primary ovarian choriocarcinoma was made.ConclusionsThe imaging findings were found to be specific for bilateral non-gestational pure primary ovarian choriocarcinoma.
SummaryBackgroundKimura disease is an uncommon, benign, chronic, idiopathic disease that is seen mainly in the Asian population, particularly in females. It mainly affects the salivary glands and in particular parotid and cervical lymph nodes. So far, the diagnosis of Kimura disease has been based on histopathology. We hereby report of a confirmed case of Kimura disease and provide a detailed explanation of its imaging features with a special emphasis on diffusion-weighted imaging, as diffusion sequences may help distinguish Kimura disease from malignancy.Case ReportA middle-aged female patient presenting with a history of multiple chronic neck swellings was thoroughly evaluated by ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI). The imaging findings included gross enlargement of the left parotid gland, a focal lesion in the right parotid gland, and cervical lymphadenopathy. These features correlated with histopathological findings, and the diagnosis of Kimura disease was made.ConclusionsThe imaging findings were found to be specific for Kimura disease.
Introduction: Ophthalmic Ultrasound (USG) produces real time high resolution images of the eye and orbit. It can categorise, predict location and diagnose posterior segment pathology of the eye very well and is usually used in preoperative evaluation. However, the diagnostic accuracy, in terms of predicting probability of Posterior Segment Disease (PSD) post-USG, has usually not been studied, that too in Indian set-up. Hence, this study was conducted. Aim: To find out the prevalence and pattern of PSD among patients referred to radiology department using B-scan USG, and to find out the diagnostic accuracy of B-scan USG in such cases. Materials and Methods: The study was cross-sectional in nature conducted over a period of two years (2007-09) and conducted in the Department of Radiodiagnosis and Ophthalmology of a tertiary care centre of Eastern India. Patients were referred to the Radiology department for ruling out intraocular pathology using B-scan ophthalmic USG were included in the study, irrespective of any age and gender. Data were captured on an excel sheet and analysed using Stata 12.1. Prevalence and pattern of PSDs were established from the data while diagnostic accuracy was calculated in terms of sensitivity, specificity, predictive values and log Likelihood Ratios (LR). Accuracy of B-scan USG was also estimated and adjusted for verification bias. Results: The mean age of 84 study participants was 37.4±19.5 years, with maximum in between 41-50 years. Males predominated (72.6%). A 50% presented with low vision, and most commonly associated with cataract 45 cases (54%). Prevalence of posterior segment eye disorders was 13.1%. Adjusted sensitivity, adjusted specificity and Negative Predictive Values (NPV) were 100%. Positive Predictive Value (PPV) was 45.33%. Post-test probability was 46.6%, while after adjustment it was infinite. Adjusted accuracy was 100%. Conclusion: Prevalence of posterior segment eye disorders was 13.1% for cases referred to radiology department. The most common PSD that was found was retinal mass. Using B-scan USG for preoperative assessment and confirmation of diagnosis increases the probability of detecting presence or absence of posterior segment pathology. Absence of PSD using this is also very helpful in ruling out disease entirely. It also has a very high sensitivity and hence has a scope to be used even in rural health centres.
Tuberculosis of CNS accounts for approximately 5-10% of extra-pulmonary TB cases. Intracranial manifestations of CNS TB include tubercular meningitis,complications of tuberculous meningitis,pachymeningitis,parenchymal tuberculosis. The first choice of imaging in CNS TB is MRI because of its inherent sensitivity and specificity in the detection of early subtle lesions. Our Aim includes Detection & characterization of various MRI findings in Intracranial tuberculosis. MRI brain was done in 60 patients with signs and symptoms of CNS involvement. Out of which, 2 patients (3%) were found without any neuro-radiological abnormality and were excluded. In rest of patients (n=58; 97%) one or more than one finding was present in a single patient; Leptomeningeal enhancement (n= 37; 61%), Tuberculomas (n=32; 53%), Hydrocephalus (n=17;28%),Infarcts (n=14;23%),Basal exudates (n= 11;18%) were more often present.
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