A Surindro Singh

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Engrailed 2 (EN2) is a homeobox transcription factor involved in the patterning of cerebellum during brain development. Linkage analysis and studies on knockout mice support EN2, located on chromosome 7q36.3, as a potential risk locus for autism. Candidate gene approach also suggested association of EN2 with autism spectrum disorder (ASD) in various(More)
BACKGROUND The nasal cavity and paranasal sinuses - including the maxillary, ethmoid, sphenoid, and frontal sinuses are collectively referred to as the sinonasal tract. Fine needle aspiration (FNA) of paranasal sinus lesions for early diagnosis of neoplastic lesions is difficult due to closed architecture, and only one study has been documented in the(More)
Alveolar soft part sarcoma (ASPS) is a rare neoplasm of uncertain cell of origin. Known to occur in adolescents and young adults, this tumor usually involves the muscles and deep soft tissues of the extremities and trunk. Orbital localization is rare and not yet subjected to cytological assessment, as per our literature search. We present here two cases of(More)
BACKGROUND Nonunion of intertrochanteric fractures is uncommon because there is excellent blood supply and good cancellous bone in the intertrochanteric region of the femur. A diagnosis of primary intertrochanteric nonunion is made when at least 15 weeks after the fracture there is radiological evidence of a fracture line, with either no callus (atrophic)(More)
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