PubMed · 13992358
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H SCHONENBERG. 1963. Thalidomide embryopathy.. https://pubmed.ncbi.nlm.nih.gov/13992358/
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Adams-Oliver syndrome (AOS) is characterized by the association of scalp and skull defects and abnormalities of terminal limbs. Congenital heart malformations have also been reported. Hepatoportal sclerosis (HPS) is a rare cause of portal hypertension in children characterized by abnormalities of intra-hepatic portal veins, portal fibrosis, and nodular regeneration. Etiopathogenesis of these rare disorders remains unclear, but the hypothesis of vascular thrombotic mechanism has been suggested. Association of both syndromes has been reported in only one child. We now report on two unrelated children with AOS and HPS, one child harboring a factor V Leiden mutation. We hypothesize that the association of both disorders may not be fortuitous and reinforces the idea that AOS and HPS may share a vascular thrombotic mechanism.
We report on the autopsy findings of a 37-year-old man with a complex karyotype (mos46,XY,del(18)(p11.1)[14]/46,XY, -13, del (18)(p11.1), +20[8]/47,XY,del(18)(p11.1), +20[8]). He was known to be blind, non-ambulatory, have severe mental retardation, and a seizure disorder. External physical findings at the time of autopsy included micrognathia, short stubby fingers, and rocker bottom feet. Left lobe dominance of the liver and mislocation of the ileocecal junction and appendix were noted on internal examination. The brain was small (700 g) and poorly developed. Microscopically it showed an absence of neurons in the olivary and dentate nuclei, absence of Purkinje cells in the cerebellum, severe depletion of internal granular cells in the cerebellum, and cerebellar dysplasia. Fat infiltration was noted in an unusual distribution in several organs including a pattern in the heart consistent with arrythmogenic right ventricular dysplasia (ARVD). Findings of this mosaic chromosomal karyotype have not been previously described. This report will discuss this individuals physical findings and their relation to similar monochromosomal aberrations.