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Aurora, CO, United States

Wartchow E.P.,1 Childrens Hospital Colorado | Jaffe R.,1 Childrens Hospital Colorado | Mierau G.W.,1 Childrens Hospital Colorado
Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society | Year: 2014

Biopsies from 6 children with clinical presentations suggestive of primary ciliary dyskinesia (PCD) displayed respiratory epithelial cells with disorganized accumulations of basal bodies within the cytoplasm and large intracytoplasmic vesicles into which projected numerous microvilli and cilia. Microvilli, but few cilia, were present at the cell surface. Ultrastructural study revealed a variety of nonspecific abnormalities but demonstrated the cilia generally to be morphologically normal, suggesting that the cause of cilia malfunction was not any recognized primary cause or secondary effect. Repeat studies from 2 patients produced similar findings. It is proposed that this entity, termed ciliary inclusion disease, represents a variant form of PCD manifesting as a consequence of improper ciliogenesis caused by inhibited cytoskeleton-regulated migration of basal bodies to the luminal surface of the airway respiratory epithelial cells.

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