Four new cases of ring 21 and 22 including familial transmission of ring 21.
نویسندگان
چکیده
منابع مشابه
Four new cases of ring 21 and 22 including familial transmission of ring 21.
Four new cases of ring G chromosomes are presented including one family in which the ring 21 is present in a mother and in her daughter, who has 47, XXX, r(21) chromosomes. The clinical and dermatoglyphic findings in r21 and r22 syndromes are reviewed.
متن کاملConcurrence of Ring 21 and Trisomy 21 in Children of Normal Parents
We present a case of two siblings with different chromosome 21 abnormalities that are both de novo [r(21)/i(21p13) mosaicism and rob(14;21)]. Molecular studies using polymorphic markers have shown that these two aberrations had a common maternal origin. However, the parents were cytogenetically and phenotypically normal. This unusual association has not been reported and is considered to be a u...
متن کاملREPORT OF FOUR CASES OF FAMILIAL IDIOPATHIC PULMONARY FIBROSIS
A 25 year old male and his 46 year old aunt presented with shortness of breath and a dramatic response to steroids. The other two patients are sisters with more advanced disease. One of these responded partially to steroids, while the other died within 4 months of treatment. The genetic basis and pathogenesis are discussed.
متن کاملHypogammaglobulinaemia in a patient with ring chromosome 21.
An 8 year old boy with ring chromosome 21 who was susceptible to sinorespiratory infections due to hypogammaglobulinaemia is reported. He presented with the characteristic features of monosomy 21 syndrome, such as psychomotor retardation, hypertonia, large saccular ears, prominent nasal bridge, micrognathia, thrombocytopenia, and patent ductus arteriosus. His serum IgG concentration was less th...
متن کاملDystonia in a patient with ring chromosome 21.
Dystonia associated with chromosomal abnormalities is typically attributed to chromosomal deletions. We describe a patient with ring chromosome 21, with karyotype 46XX,r(21)(p11.2q22.3); 46,XX,dic r(21)(p11.2q22.3); 45, XX, -21, who developed childhood onset cervical dystonia.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Medical Genetics
سال: 1977
ISSN: 1468-6244
DOI: 10.1136/jmg.14.1.54