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Biomedical subjects

W H Finley

Publications and source records attributed to W H Finley.

At least 37 records · Page 2Linked to original sources
PubMed1988

Radiation as a mutagen.

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Abnormalities, Radiation-Induced↗
PubMed1987

A de novo 3p;8p unbalanced translocation resulting in partial dup(3p) and partial del(8p).

We present the first case of a de novo translocation resulting in dup(3p). Giemsa banding studies tentatively identified the source of the extra genetic material as 3p. Clinical findings were compatible with those previously reported in dup(3p) patients, further defining this cytogenetic anomaly as a distinct, clinically identifiable syndrome.

Abnormalities, Multiple↗
PubMed1985

Decreased levels of amniotic fluid alpha-fetoprotein associated with Down syndrome.

Low maternal serum alpha-fetoprotein levels have been associated with fetal aneuploidies. Amniotic fluid alpha-fetoprotein levels have been reported to be low with Down syndrome (trisomy 21) but not with other fetal trisomies. We compared the amniotic fluid alpha-fetoprotein levels from 25 cases of autosomal trisomy (18 of trisomy 21, four of trisomy 13, three of trisomy 18) diagnosed by midtrimester fetal cytogenetic studies with those from matched, cytogenetically normal pregnancies. With these normal pregnancies used as controls, statistical analyses were performed on the data for all the trisomic fetuses, on the data for trisomy 21 only, and on the data for trisomies 13 and 18 combined. Amniotic fluid alpha-fetoprotein levels were significantly lower in the 25 trisomic cases compared with controls, 0.77 +/- 0.34 versus 1.03 +/- 0.34 mg/dl (p less than 0.001). However, further analysis revealed that the difference was due to the trisomy 21 data alone. In the trisomy 21 cases there was a significant difference for alpha-fetoprotein levels between cases and controls (p less than 0.001), whereas there was no difference for the combined trisomy 13 and 18 cases compared to controls (p greater than 0.40). These findings suggest that the low maternal serum levels of alpha-fetoprotein reported in cases of Down syndrome may be related to reduced amniotic fluid concentrations. However, the reduced maternal serum alpha-fetoprotein levels reportedly associated with trisomies 13 and 18 do not seem to be explained by low amniotic fluid concentrations.

Adult↗
PubMed1985

High resolution cytogenetic evaluation of couples with recurring fetal wastage.

Both high resolution and routine chromosome analyses were used to study couples with a history of two or more spontaneous abortions in early pregnancy. In the 20 couples studied, two of the women were found to have an inversion. One paracentric inversion, (13)(q13.1q22.3), was apparent on routine analysis. The small pericentric inversion (11)(p11.12q12.3), was only detected by high resolution techniques. Given the low yield and increased cost and effort involved, we do not believe that high resolution studies are justified for screening couples with repeated abortions.

Abortion, Habitual↗
PubMed1985

Translocation (6;9)(p23;q34) in acute nonlymphocytic leukemia: three new cases.

Several recent reports have described cases of acute nonlymphocytic leukemia with a unique chromosome translocation, t(6;9)(p23;q34). We have studied three additional patients who have acute nonlymphocytic leukemia and t(6;9)(p23;q34). Our findings provide additional support for the suggestion that this translocation is yet another distinct cytogenetic abnormality associated with myeloproliferative disorders.

Acute Disease↗
PubMed1984

Translocation (9;11)(p21;q23) in a case of acute myeloblastic leukemia (AML-M2).

A patient with acute myeloblastic leukemia (AML-M2) and a balanced translocation, t(9;11)(p21;q23), is described. The translocation appears to be the same as that previously reported in some patients with acute monoblastic leukemia (AMoL-M5). This suggests that, although t(9;11)(p21;q23) frequently may be associated with AMoL, the translocation may not be specific for that disorder.

Bone Marrow↗
PubMed1984

Pre-B cell leukemia associated with chromosome translocation 1;19.

Chromosome banding studies on 60 children with acute lymphocytic leukemia (ALL), including "null," pre-B, B, and T cell phenotypes, were performed. In 4 of 17 patients with pre-B cell ALL, we noted a previously undescribed chromosome translocation, t(1;19)(q23;q13). This translocation was not found in patients with "null" cell, B cell, or T cell ALL. Since each patient with the 1;19 translocation experienced early treatment failure, t(1;19)(q23;q13) may mark a subgroup of patients with pre-B cell ALL who have an especially poor prognosis.

Adolescent↗
PubMed1983

Screening of mentally retarded males for macro-orchidism and the fragile X chromosome.

Four hundred forty-four male residents of a state mental retardation institution were screened for macro-orchidism. Twenty-six white males (8.3%) and two black males (1.5%) had marked macro-orchidism (greater than 34 ml). Seven of 17 whites tested for the fragile X were positive; the one black tested was negative. Thus, a minimum of 7/26 or 27% (whites) are fragile X positive indicating potential population variability, also evident from previous reports. Concurrent testing of institutionalized brother pairs indicated over half of the fragile X-positive males had a strong family history consistent with X-linked mental retardation.

Adult↗
PubMed1983

Psychiatric disturbances in a 6-year-old boy with Klinefelter's syndrome.

A 6-year-old boy with severe psychiatric problems was found to have Klinefelter's syndrome. He had a mixed emotional and behavioral clinical picture similar to and difficult to distinguish from that of other child psychiatric disorders. Klinefelter's syndrome should be considered in the differential diagnosis of a prepubertal boy with multiple emotional, behavioral, academic, social, and developmental problems.

Adult↗
PubMed1981

Ring 4 chromosome with terminal p and q deletions.

A ring 4 chromosome was found in a boy with low birth weight, microcephaly, micrognathia, rounded broad nose, malformed ears, cleft soft palate, and retardation in growth and development. The ring 4 is formed by union of the ends after breakage and loss of the terminal parts of the short (p) arm and the long (q) arm. G-banded chromosome studies showed our patient to have a union at p16q35. Clinical findings in our patient were compared with those in others with the union at p16q35, p15q35, and p16q33. The patients with p15q35 had a deletion of more p-arm genetic material than those with the p16q35 union, and the patient with p16q33 had a greater loss of q-arm material. The loss of only a small part of the p16 band is associated with low birth weight, microcephaly, and retardation in growth and development.

Abnormalities, Multiple↗