K A Nathavitharana

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We report three patients with intestinal microvillous dystrophy, two of whom were siblings. The relatively delayed clinical presentation and the lack of classical microvillous inclusions distinguish these cases from the previously described microvillous inclusion disease (MVID). There appears to be an underrecognized spectrum of microvillous disorders(More)
The concept of a common mucosal immune system in man was tested by examining the concurrent presence of specific-secretory IgA (SIgA) antibodies in human milk and saliva from three groups of subjects: 64 Sri Lankan women living in Sri Lanka; 20 immigrant Asian women living in Birmingham (median duration of residence in the United Kingdom five years); and 75(More)
Following the emergence of biochemical zinc deficiency after bone marrow transplantation, the clinical value of plasma alkaline phosphatase activity as an early indicator of biochemical zinc depletion was investigated in this group of patients. Serial measurements of plasma zinc and alkaline phosphatase activities in 28 consecutive children (median age 8.7(More)
The concept of an enteromammary link in secretory IgA (SIgA) antibody production was tested by hypothesising that specific SIgA antibody profiles in human milk might be an epidemiological marker for enteropathogens in a community. Milk from three subject groups was studied: 64 Sri Lankan women living in poor suburbs of Colombo, 20 Asian immigrant women(More)
A dual sugar (mannitol, lactulose) absorption test was evaluated using an iso-osmolar oral dose in two groups of children: a study group of 43 children divided into five subgroups, based on severity of mucosal damage, and a control group of 53 children with histologically normal jejunal biopsy specimens. After an oral dose, the three hour urinary mannitol:(More)