title: Partial long arm deletion of one X chromosome in a patient with secondary amenorrhea.
abstract: A partial long arm deletion of one X chromosome was observed in a patient with secondary amenorrhea and with no features of Turner's syndrome. It was shown that the deleted X chromosome was the inactivated one in all metaphases of the lymphocyte culture and of the tissue culture from gonadal biopsy. The patient was detected during a cytogenetic study of secondary amenorrhea of ovarian origin.
mesh_terms: D000328:Adult; D000568:Amenorrhea / Q000235:genetics*; D002872:Chromosome Deletion; D005260:Female; D006801:Humans; D007621:Karyotyping; D012730:Sex Chromosomes; D014424:Turner Syndrome / Q000175:diagnosis; D014960:X Chromosome