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Biomedical subjects

N Fitch

Publications and source records attributed to N Fitch.

At least 19 recordsLinked to original sources
PubMed1978

Partial trisomy 6.

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Abnormalities, Multiple↗
PubMed1978

The Axenfeld syndrome and the Rieger syndrome.

A family is reported in which both the syndrome of Axenfeld and the eye malformations of the syndrome of Rieger occur, indicating that both may be expressions of the same gene. We also review the associated anomalies already reported, emphasise their high incidence, suggest that these are not accidental associations, and propose some possible explanations for the high incidence.

Anterior Chamber↗
PubMed1977

Heterogeneity of bilateral renal agenesis.

Bilateral and unilateral renal agenesis may be expressions of single dominant gene. Chromosome abnormalities may be present and the renal agenesis may be part of a syndrome of multiple abnormalities. Apparently normal relatives of affected individuals should be screened by intravenous pyelography before genetic counselling given.

Child↗
PubMed1977

Syndromology.

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Abnormalities, Multiple↗
PubMed1976

Severe renal dysgenesis produced by a dominant gene.

A woman with the autosomal dominant syndrome of preauricular pits, cervical fistulae, and partial deafness gave birth to two children with preauricular pits and severe renal dysgenesis. The facies had some features of the Potter facies of renal agenesis. One child died soon after birth because of pneumothorax and immature development of the lungs. We suggest that all infants with renal agenesis or dysgenesis be examined for preauricular pits because of the high recurrence risk of renal anomalies in families with this syndrome.

Abnormalities, Multiple↗
PubMed1976

A familial syndrome of cranial, facial, oral and limb anomalies.

A family is described in which two male infants have microcephaly, abnormal ears, anti-mongoloid slant, small mouth, cleft palate, flexed overlapping fingers with syndactyly of digits three and four, syndactyly of the second to the fifth toes, and normal karyotype. This seems to be a new syndrome.

Abnormalities, Multiple↗
PubMed1976

Dominant ichthyosis vulgaris with an ultrastructurally normal granular layer.

It has been suggested that ultrastructural studies of keratohyalin granules in the granular layer of the skin can clearly distinguish the dominant type from the X-linked recessive type of ichthyosis vulgaris. The distinctive features are found in the granular layer and the keratohyalin granules. In the dominant form the granular layer is absent or reduced in size and the keratohyalin granules are minute and crumbly in appearance. In the recessive form the granular layer and keratohyalin granules are normal. A family which probably has dominant ichthyosis vulgaris is described. The stratum granulosum and keratohyalin granules as determined by both light and electron microscopy are normal. In view of the inconstant morphologic appearance of the stratum granulosum in ichthyosis vulgaris, it is suggested that distinction between the dominant and X-linked forms should not be based on the structural characteristics of the granular layer alone, but rather on a combined evaluation of the pedigree, clinical features and the appearance of the stratum granulosum.

Adolescent↗
PubMed1975

Adducted thumb syndromes.

The adducted thumbs syndrome is characterized by cleft palate, microcephaly, and dysmyelination. A fifth case of this syndrome is presented. Several other syndromes which may present with adducted thumbs are reviewed and re-assessed. The original contributions consist of discussions of (1) the possible pathogenesis of adducted thumbs in the congenital clasped thumb syndrome, and (3) the significance of adducted thumbs as a possible marker in sex-linked hydrocephalus.

Abnormalities, Multiple↗