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Biomedical subjects

P Sakhuja

Publications and source records attributed to P Sakhuja.

12 recordsLinked to original sources

Profile of chronic hepatitis B virus in children in India: experience with 116 children.

BACKGROUND: Hepatitis B virus (HBV) infection in children is mostly asymptomatic and therefore the disease burden is likely to be under appreciated. There is limited information on the profile of chronic HBV infection in children from the Indian subcontinent. METHOD: In 116 (male:female 89:27) children, aged <15 years, with persistent HBsAg positivity for more than 6 months, a clinical, biochemical, virological and histological assessment was carried out. RESULTS: At presentation, 21.6% of children were symptomatic, with icterus in 12%. Features of decompensation such as ascites (7%) and gastrointestinal (GI) bleed (5%) were noted uncommonly. Five (4.3%) children had hepatocellular carcinoma (HCC) at presentation. Elevated alanine aminotransferase (ALT) was observed in 76% of subjects (median 61; range 14-815). A significantly higher proportion of children with hepatitis B early antigen (HbeAg) positive status had higher histological activity index (HAI) (84% vs 16%, P < 0.001) and fibrosis score (80% vs 20%, P = 0.007). A strong positive correlation was noted between aspartate aminotransferase (AST), ALT, HBV-DNA and histological severity of the disease (HAI > or =4, fibrosis > or =2). Median HBV-DNA levels were significantly higher in the HBeAg positive compared to the HBeAg negative group (25.6 vs 0.7 pg/mL, P = 0.004). Seventy-four percent of the mothers had evidence of past or present HBV infection. CONCLUSIONS: Majority of the children with chronic HBV infection are asymptomatic at presentation. HBeAg positive status reflects histologically more severe disease, and a higher level of HBV-DNA. Almost two-thirds of the children may have acquired their HBV infection perinataly.

Adolescent↗

Absence of hemochromatosis associated Cys282Tyr HFE gene mutation and low frequency of hemochromatosis phenotype in nonalcoholic chronic liver disease patients in India.

BACKGROUND AND AIM: Hereditary hemochromatosis (HHC) is an autosomal recessive disorder causing primary iron overload syndrome and chronic liver disease (CLD). This genetic disease is commonly associated with C282Y mutation of the HFE gene, commonly seen in the Northern European population. Minor reports on HHC are available from Asia, however, so far no genetic study is available from India. We prospectively studied the prevalence of C282Y mutation in CLD patients and healthy subjects in a tertiary care referral center in India. METHODS: A total of 249 consecutive biopsy proven CLD (HBV = 112, HCV = 72, cryptogenic = 65) patients and 134 age matched healthy controls were included. Cases of secondary iron overload, pregnancy, chronic alcoholism, age < 30 years and hepatocellular carcinoma (HCC) were excluded. A transferrin saturation index (TSI) of >60% was suggestive of a phenotypic presentation of HHC. C282Y mutation was studied by restriction fragment length polymorphism (RFLP) using genomic DNA. The 387 bp fragment obtained after polymerase chain reaction was digested with 10 units of endonuclease Rsa1. The mutation was detected by creation of an additional restriction site, giving rise to fragments of 247 111 and 29 bp. RESULTS: While the mean TSI was comparable, serum ferritin was significantly higher in CLD patients compared to controls (38 +/- 16%vs 28 +/- 13%; p = not significant (NS), and 125 +/- 18 vs 42 +/- 25 ng/mL; p < 0.001). A TSI of >60% was detected in 24 (9.64%) patients. Only one restriction site was found for endonuclease Rsa1, giving rise to two fragments of 247 and 140 bp, suggesting absence of C282Y mutation in the HFE gene in all patients. CONCLUSIONS: Almost 10% of nonalcoholic CLD patients in India have iron overload, but this is independent of C282Y mutation of the HFE gene. Large population based studies are recommended to investigate the prevalence of this rare disorder in India.

Adult↗

Benign signet ring cell change with multilayering in the gallbladder mucosa--a case report.

We describe a case of benign signet ring cell change in the gallbladder mucosa. On histopathological examination of H&E-stained sections, the gallbladder epithelium showed multilayering. The epithelial cells were large, columnar to polygonal with a small round basal or eccentric nucleus and vacuolated cytoplasm, giving them a signet ring appearance. There was no nuclear atypia, hyperchromatism or mitotic activity. The cells showed uniform positivity with mucicarmine, PAS and Alcian blue stains. The cytoplasmic vacuolations were negative for fat stains (Oil red O and Sudan IV). On immunohistochemistry, the cells showed positivity with antibodies for pancytokeratin (PCK) and epithelial membrane antigen (EMA). A diagnosis of benign signet ring cell change with multilayering in the gall bladder mucosa was made. Thoroughly reviewing the literature, we found only one case of benign signet ring cell aggregates in the gallbladder mucosa documented earlier. The lesion is hereby reported because of the unique histomorphology and the diagnostic dilemma which can occur as a malignant change in situ has to be excluded.

Adult↗

Periampullary gangliocytic paraganglioma.

A33-year-old man presented with features of obstructive jaundice. Enterohepatic retrograde cholangiopancreatography examination revealed a periampullary growth. After pancreatoduodenectomy, histologic examination of the growth revealed three elements: a spindle cell element, large ganglion cells, and smaller paraganglioma-like cells arranged in small nests and groups. A diagnosis of gangliocytic paraganglioma was given. Gangliocytic paraganglioma is a rare benign duodenal tumor, with uncertain histogenesis. It is possible to identify the three components that are essential for its diagnosis on routine hematoxylin and eosin sections without the use of immunohistochemical markers. Because this lesion may present clinically as a periampullary carcinoma, it is important to recognize and diagnose this rare, but benign, entity.

Adult↗

Intra-abdominal lymphangioma--clinicopathological profile of a rare lesion.

Lymphangioma occurring in an intra-abdominal location is reported to be extremely rare. A series of 5 cases is presented and the differential diagnoses and diagnostic features discussed. None of the cases were diagnosed as lymphangioma clinically. It is suggested that their true incidence may be unknown due to both silent clinical course as well as lack of awareness of clinical and morphological features.

Abdominal Neoplasms↗

Cytomorphology of filariasis revisited. Expansion of the morphologic spectrum and coexistence with other lesions.

OBJECTIVE: To review the cytomorphologic spectrum of the filarial worm and associated tissue response in 33 cases. STUDY DESIGN: Retrospective analysis was carried out in clinically unsuspected cases of filariasis diagnosed on cytology over a period of 10 years. Twenty-nine aspirate smears from 28 patients were air dried and stained with May-Grünwald-Giemsa stain. Four routine cervical smears and one centrifuged smear of urine were stained with Papanicolaou stain. RESULTS: Microfilariae alone and along with adult gravid females were present in 25 and 4 cases, respectively. In one case both adult male and female worms with microfilariae and eggs were seen. The diagnosis was based on the presence of eggs alone in one case and fragments of female worms in two. Four of these cases were neoplastic lesions, and microfilariae were found incidentally. In one case of splenomegaly microfilariae were seen along with Leishman-Donovan bodies. CONCLUSION: Filariasis can be diagnosed on cytology by demonstrating microfilariae, a male or female worm, or eggs alone. It can be seen in association with neoplastic lesions and rarely with other parasitic infections.

Adolescent↗

Histological comparison of chronic hepatitis B and C in an Indian population.

Many studies have shown that steatosis, lymphoid aggregates or follicles and bile duct injury on histology are more consistently associated with chronic hepatitis C than chronic hepatitis B. We compared liver biopsies of 30 patients of chronic hepatitis B with an equal number of age matched patients with chronic hepatitis C. Steatosis, lymphoid aggregates or follicles and bile duct injury were noted in 66.6%, 36.6% and 26.6% cases respectively of chronic hepatitis B as compared to 70%, 33.3% and 30% cases respectively of chronic hepatitis C. Thus none of the features were considered distinctive of HCV infection.

Adult↗

Clinical, biochemical and histological profile of nonalcoholic steatohepatitis.

BACKGROUND: Nonalcoholic steatohepatitis (NASH) has often been described in obese women with diabetes and/or hyperlipidemia. We evaluated the clinical, biochemical and histological profile of NASH. METHODS: 52 patients with persistently elevated ALT (>40 IU/L) for >6 months with no history of significant alcohol consumption and negative serological work-up for hepatitis B and C and HIV were enrolled. Twenty-five patients were diagnosed as having NASH and their clinical, biochemical, and histological profile was evaluated. RESULTS: Of the 25 patients with NASH (mean age 33 years), 24 were men. Three were obese, seven had hyperlipidemia and two had impaired glucose tolerance. Thirteen patients presented with pain in the right hypochondrium, three with fatigue and weakness, and nine were asymptomatic. No patient had evidence of portal hypertension or liver cell failure. Mild elevation of ALT was the most common biochemical abnormality. Twenty-three of the 25 patients had ALT/AST ratio >1.0. Liver histology revealed macrovesicular steatosis in all, with mild inflammatory activity in the majority (70%). Fibrosis was seen in 12 patients-portal fibrosis in six, periportal fibrosis in three and bridging fibrosis in another three patients. None of the patients had features of cirrhosis. None of the factors was found to be associated with fibrosis except serum AST level, which was significantly higher in patients with fibrosis as compared to those without (89 [52] vs. 54 [18] IU/L; p<0.05). CONCLUSIONS: NASH is often seen in men, in the absence of obesity, diabetes and hyperlipidemia, and its severity is better assessed by liver histology than clinical assessment.

Adolescent↗

Histoplasmosis of the liver: a rare case.

A 39 year old male presented with history of fever and jaundice for 3 months. A liver biopsy showed numerous ovoid fungal bodies around 5 mm in size in the macrophages and Kupffer cells. A diagnosis of hepatic histoplasmosis was made which is an uncommon entity in our country.

Adult↗

Diaphragm disease of the ileum: a case report.

Non-steroidal anti-inflammatory drugs induced diaphragm like lesions are a rare cause of small intestinal obstruction. They occur most commonly in elderly patients who have been consuming these drugs for prolonged periods for pain relief. We report the first case of ileal diaphragm disease from Asia. She responded well to localised resection of the diseased ileum. Intra-operative enteroscopy may be helpful in deciding the extent of intestinal resection.

Anti-Inflammatory Agents, Non-Steroidal↗