PubMed · 288551
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T K Rózyło, E Gałkowska. 1979. [Multiple jaw cysts].. https://pubmed.ncbi.nlm.nih.gov/288551/
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BACKGROUND: Incontinentia pigmenti (IP; Bloch-Sulzberger syndrome) is an inherited disorder of skin pigmentation that is associated with skin (100%), dental (90%), skeletal (40%), central nervous (40%) and ocular (35%) abnormalities. The pathogenesis is not yet known. The disease is usually seen in females, as it is an X-linked dominantly inherited disease which is lethal in males. PATIENT PRESENTATION: We present a 9-year-old girl with the classical general and ocular signs of IP. She presented in early childhood with inflammatory vesicular skin changes which changed into pigmented skin alterations especially on the trunk. Ocular findings were microphthalmia and retrolental mass formation in one eye and retinal pigmentary changes in the other. In our patient, the spontaneous mutation may have been caused by the family's close neighbourhood to Semipalatinsk, Kasachstan, where regular nuclear tests took place very shortly before the pregnancy with our patient began. DISCUSSION: Ocular involvement is described in about a third of persons affected with IP. A nearly consistent and pathognomonic finding is a pigment retinopathy (mottled diffuse hypopigmentations). A further consistent finding are abnormalities of peripheral retinal vessels with areas of non-perfusion in the outer retina. The retinal pigment epitheliopathy and the abnormalities of retinal vessels are thought to be the underlying pathognomonic findings, with all other ocular signs being secondary (cataract, leucocoria, optic atrophy, strabismus, nystagmus and microphthalmus). Exudative retinal detachment occurs only in a minority, usually in very early childhood, when the skin lesions are exudative as well. IP patients should, however, be clinically observed regularly because of their retinal pigmentary changes.
We describe a 20-year-old man with Smith-Magenis syndrome and a 46,XY,del(17)(p11.2p11.2) karyotype. The interstitial deletion was confirmed by metaphase analysis using the fluorescent in situ hybridization probe (D17S29) for the Smith-Magenis region. The patient had hypertelorism, exotropia, and high myopia. Examination under anesthesia showed a lacquer crack near the right macula and a disciform scar of the left macula. Six months later, the patient presented with subacute visual loss. Examination demonstrated end-stage macula degeneration with bilateral disciform scars. There was no evidence of retinal detachment. Prior reports of Smith-Magenis syndrome mention telecanthus, ptosis, strabismus, iris anomalies, cataract, microcornea, optic nerve hypoplasia, myopia, retinal detachment, and lattice retinal degeneration. Bilateral macular degeneration has not been reported previously, and it may be an additional ophthalmologic manifestation of Smith-Magenis syndrome, either as a primary manifestation or as a direct consequence of high myopia.
We report on three brothers with renal tubular dysgenesis and absent nipples, each also had other malformations including pre-auricular pits and a preauricular tag, branchial clefts, choanal atresia, pulmonary lobation anomaly, ventricular septal defect, type IIB interrupted aortic arch, absent gallbladder, absent thymus, parathyroid gland, accessory spleen, imperforate anus, clinodactyly, and broad digits and small nails. All three infants died neonatally. This pattern of clinical malformations appears to be a previously unreported syndrome.