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Biomedical subjects

L Kumar

Publications and source records attributed to L Kumar.

At least 271 records · Page 15Linked to original sources
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Vasculitis in children.

Vasculitis in children is uncommon and hardly any information is available from India. We, at PGIMER, Chandigarh, have diagnosed and followed many children with vasculitis of different types though not all, which occur in children. In this article, we have given an overview of the vasculitides that we have encountered along-with a review of relevant literature. We have described 8 children with classical PAN and have highlighted a higher frequency of CNS involvement in our patients. Amongst the 10 BCPAN children, as many as 8 had peripheral gangrene which resulted in auto-amputation in 7. Gangrene of such severity has not been previously reported in this condition. We have also included 30 children with HSP. Gastrointestinal involvement was noted in 86.7% of children and in one of these, it was severe enough to result in hypovolemic shock. Such severe bleeding is very rare. Two of our patients with HSP came late to us after having been operated for an 'acute abdomen' elsewhere. Although renal involvement was seen less frequently than reported in the literature, the severity of involvement was greater (nephrotic range proteinuria in 62% and azotemia in 50%). We have only limited experience of Kawasaki Disease but it appears that children with this disorder are probably not being diagnosed in the acute stage in our country.

Adolescent↗
PubMedDate not supplied

Auditory profile in children recovering from bacterial meningitis.

In the present study BERA profile of 30 post-meningitic children was compared with 15 normal children of the same age and it was observed that 36.6% children in the age range of 6 months to 36 months were found to have varying degree of sensorineural deafness. Severe bilateral sensorineural hearing loss (> 80 dB) was observed in 6.6% children and moderate (40-80 dB) hearing loss in 30% of children. Abnormalities were bilateral in both the samples of children with severe hearing loss (> 80 dB) whereas among 9 children who had moderate hearing loss abnormalities were bilateral in one patient and unilateral in the remaining 8 children. A relationship between higher incidence of sensorineural deafness and younger age of children, and occurrence of seizures during meningitis were noted. But no relationship was observed with either sex, hydrocephalus, subdural effusion or with low CSF sugar and high CSF proteins.

Age Distribution↗
PubMedDate not supplied

Fine needle aspiration of extramedullary myeloid cell tumor in myelodysplastic syndrome. A report of three cases.

BACKGROUND: Soft tissue tumors are rare in myelodysplastic syndrome (MDS), and the role of fine needle aspiration (FNA) cytology in their diagnosis has not been explored. CASES: Two patients with refractory anemia with excess blasts in transformation (RAEB-t) developed soft tissue swellings during the course of the illness. In a third patient, soft tissue swelling was a presenting feature. The swellings in all three cases were diagnosed as extramedullary myeloid cell tumor (EMT) on FNA and showed increased blasts (10-14%), dyspoietic changes, Auer rods and monocytosis. CONCLUSION: Soft tissue tumors appearing in MDS are likely to be EMTs. FNA is therefore particularly valuable in their diagnosis as morphology, cytochemistry, immunophenotyping and flow cytometric analysis of hematopoietic cells are best studied on aspirated material. We suggest that FNA be preferred over excisional biopsy for the diagnosis of soft tissue swellings in MDS.

Adolescent↗