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A new case of partial trisomy 16q (CROSBI ID 492433)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Petković, Iskra ; Barišić, Ingeborg ; Sansović, Ivona A new case of partial trisomy 16q // The Third European-American School in Forensic Genetics and Mayo Clinic Course in Advanced Molecular and Cellular Meidicne / Primorac, D. ur. (ur.). Zagreb: -, 2003. str. 111-x

Podaci o odgovornosti

Petković, Iskra ; Barišić, Ingeborg ; Sansović, Ivona

engleski

A new case of partial trisomy 16q

Trisomy 16q is a rare condition in livborne infants. Some 28 cases have been reported and most cases are due to unbalanced translocation. Clinical presentation is not well defined because it is usually associated with loss or gain of an other chromosome involved in the rearrangement, while duplications are quite rare. In this report we present the results of clinical and cytogenetic investigation in 10 - years old girl. Clinical examination showed dysmorphic traits including hypoplastic supraorbital ridges, epicantus, dysplastic, low set ears, full cheeks, thin lips, micrognatia. Her somatic and intellectual development were within normal range, although she experienced learning difficulties, mostly due to behavioural problems, aggressiveness and disobedience. Cytogenetic analysis was performed on peripheral blood culture of the patient and her parents. Both parents presented with normal karyotype, while cytogenetic analysis in the proband identified an extra GTG-positive band in the long arm of chromosome 16. FISH with chromosome 16 painting probe stained the aberrant chromosome completely. Analysis thus suggested the duplication of the long arm of chromosome 16 most probably involving 16q13--q22 region. It has been proposed that the duplication of the distal long arm segment may cause typical features of trisomy 16q, including short survival. On the other hand, the comparison of our patient to other reported cases revealed that trisomy for the proximal segment of the long arm of chromosome 16 may be associated with mild clinical presentation and behavioural problems as a major manifestation.

chromosome 16; duplication; partial trisomy 16

nije evidentirano

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Podaci o prilogu

111-x.

2003.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

The Third European-American School in Forensic Genetics and Mayo Clinic Course in Advanced Molecular and Cellular Meidicne

Primorac, D. ur.

Zagreb: -

Podaci o skupu

The Third European-American School in Forensic Genetics and Mayo Clinic Course in Advanced Molecular and Cellular Meidicne

poster

01.09.2003-05.09.2003

Zagreb, Hrvatska

Povezanost rada

Javno zdravstvo i zdravstvena zaštita