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Actas Urológicas Españolas

versión impresa ISSN 0210-4806


ALVAREZ GONZALEZ, J.; BUSTO CASTANON, L.  y  NISTAL SERRANO, M.. Evidence for autosomal dominant inheritance through the maternal line in a case of primary ciliary diskinesia. Actas Urol Esp [online]. 2006, vol.30, n.7, pp.728-730. ISSN 0210-4806.

An atypical case of primary ciliary dyskinesia is presented in which the inheritance, rather than the classical autosomal recessive, appears to be transmitted as an autosomal dominant trait through the maternal line. The case involves two brothers of 29 and 30 years of age, married without children, with a history of infertility, frequent episodes of sinusitis, and recurrent pulmonary infections. Their mother and sister have chronic bronchopathy of unknown etiology. Their father is healthy without pulmonary problems or sinusitis. At physical exam, both brothers, sister and mother presented with bronchial rhonchi at lung auscultation. Blood analysis and pulmonary function, liver and renal tests were all normal. The ultraestructual study of the sperm flagellum by electron microscopy revealed that both brothers have the same anomaly. Namely, in the majority of the cross-sections, both dynein arms are missing. The nexin filament was present, as well as the radial spokes and the central pair of microtubules. In some sperm, besides the absence of dynein arms, there was also absence of the central pair of microtubules. Neither anomalies of the fibrous sheath nor of the dense fibers were found. In approximately 50% of the spermatozoa, the midpiece had a decreased number of mitochondria and extra non- aligned mitochondria. Other findings included extra peripheral microtubules in the axoneme.

Palabras clave : Ciliary duskinesa; Immotility; Inmmotile cilia syndrome; Infertility.

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