Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0851184 (thinning)
 11,252 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The clinical and radiographic features of four newborns with lysosomal storage disease (LSD) in whom the dominant presenting clinical feature was ascites are presented. The diseases included infantile Gaucher disease, GM I gangliosidosis, infantile sialidosis, and Salla disease. Abdominal distention due to ascites and hepatosplenomegaly, and hypoplastic lungs were seen in all four infants. In the infant with Gaucher disease, the ribs and long bones were markedly thinned. Varying degrees of coarsening of the trabecular pattern of the bones and thinning of the cortex, and a lack of modeling were seen in all patients. Metaphyseal irregularity was noted in the patients with sialidosis and Salla disease. These skeletal radiographic findings may alert the radiologist to the cause for ascites in these patients, which is obscure. In all four patients, there was a history of perinatal death due to the same disease in a sibling; ascites was present in three of the siblings. The diagnosis was missed at autopsy in each of these siblings, underlining the lack of awareness of LSD as a cause for neonatal ascites.
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PMID:Neonatal ascites due to lysosomal storage disease. 641 44

Autopsy findings of a patient, with sialidosis type I phenotype carrying V217M/G243R mutations in the lysosomal sialidase gene and biochemically defined isolated sialidase deficiency, who died of intractable lymphoma at the age of 32 years, are described. Perikaryal expansion of cytoplasm was evident, mostly in motor neurons (in the anterior horn and the brain stem), dorsal root ganglia, cerebellar dentate neurons and some neurons in the thalamus and nucleus basalis of Meynert. The stored material was lamellar in lysosomes and exhibited a specific affinity to wheat germ agglutinin at light and electron microscopy, which indicates the accumulation of terminal sialic acid at the non-reducing end of the sugar chain in this pathological structure. Neuronal loss in these nuclei, however, was not frequent in spite of frequent and massive cytoplasmic expansion. Neocortex exhibited a mild spongiosis with some swelling of neurons, which contained lipofuscin-like granules and small amount of lamellar structures in lysosomes. This contrast suggests a discrepancy between the storage process and vulnerability of neurons, both variable according to areas examined. In the cerebellar vermis, dysplastic features, such as abnormal layering of Purkinje cells, thinning and rarefaction of the granule cell layer, incomplete formation of synapse and disordered proliferation of Bergmann's glia, were focally accentuated, suggesting some developmental abnormality not secondary to the storage process. This is the first autopsy demonstration of sialic acid in the lamellar materials and of a developmental abnormality in isolated sialidase deficiency. Additional studies are needed to clarify how this molecular abnormality leads to these morphological and clinical manifestations.
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PMID:Sialidosis type I carrying V217M/G243R mutations in lysosomal sialidase: an autopsy study demonstrating terminal sialic acid in lysosomal lamellar inclusions and cerebellar dysplasia. 1941 10