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The coat protein (CP) sequences of eleven Papaya ringspot virus (PRSV) isolates originating from different locations in India were determined, analysed and compared with the sequences of other isolates of PRSV. The virus isolates from India exhibited considerable heterogeneity in the CP sequences. The CP-coding region varied in size from 840-858(More)
Association of syringomyelia with retrocerebellar arachnoid cysts is rare. A case of 14 year old female is being reported, who presented with hydrocephalus caused by a large midline retrocerebellar infravermal arachnoid cyst leading to obstruction of the outlet foramina of the fourth ventricle. There was associated syringomyelia. The pathogenesis of(More)
AIM To prove the hypothesis that acute bone infarcts in sickle cell disease are caused by sequestration of red blood cells (RBCs) in bone marrow, and to evaluate the unenhanced T1 fat-saturated (fs) sequence in the differentiation of acute bone infarction from acute osteomyelitis in patients with sickle-cell disease. MATERIALS AND METHODS Two studies were(More)
OBJECTIVES To monitor the trend of antimicrobial susceptibility of Neisseria gonorrhoeae isolates from 2002 to 2006 in New Delhi, India under the Gonococcal Antimicrobial Susceptibility Programme and to document the emergence of any new antimicrobial resistance. METHODS Antimicrobial susceptibility of 382 N. gonorrhoeae isolates from clinical cases in(More)
A nucleoprotein (NP) gene based reverse transcription polymerase chain reaction (npRT-PCR) assay was developed in our laboratory which could detect 35.09% of the experimental samples negative for virus isolation in first passage but positive by third passage. Reducing the reaction volume to 12.5 μl did not alter the test sensitivity and the results did not(More)
Serological and coat protein sequence studies were conducted to identify an ilarvirus associated with necrosis disease on sunflower in India. In electroblot immunoassay, sunflower ilarvirus reacted strongly only with antiserum to Tobacco streak virus (TSV). The coat protein gene of sunflower ilarvirus was cloned and sequenced. The sequence analyses also(More)
Ten cases of brachial plexus injury were subjected to magnetic resonance (MR) to demonstrate the roots, trunks, divisions or cord abnormalities. Both normal and abnormal brachial plexuses were imaged in sagittal, axial, coronal and axial oblique planes. Myelography, using water soluble contrast agents, was performed in seven cases. MR demonstrated one(More)
BACKGROUND Melasma, a facial hypermelanosis, is more common in women. In Indians, men seem to be frequently involved. There are hardly any studies delineating the clinical, aetiological and histological features of melasma in men and the present study was taken up to fill this lacuna. MATERIALS AND METHODS A total of 200 patients with melasma were(More)