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Items: 4

1.

Retinitis pigmentosa

Retinitis pigmentosa (RP) refers to a heterogeneous group of inherited ocular diseases that result in a progressive retinal degeneration affecting 1 in 3,000 to 5,000 people (Veltel et al., 2008). Symptoms include night blindness, the development of tunnel vision, and slowly progressive decreased central vision starting at approximately 20 years of age. Upon examination, patients have decreased visual acuity, constricted visual fields, dyschromatopsia (tritanopic; see 190900), and the classic fundus appearance with dark pigmentary clumps in the midperiphery and perivenous areas ('bone spicules'), attenuated retinal vessels, cystoid macular edema, fine pigmented vitreous cells, and waxy optic disc pallor. RP is associated with posterior subcapsular cataracts in 39 to 72% of patients, high myopia, astigmatism, keratoconus, and mild hearing loss in 30% of patients (excluding patients with Usher syndrome; see 276900). Fifty percent of female carriers of X-linked RP have a golden reflex in the posterior pole (summary by Kaiser et al., 2004). Juvenile Retinitis Pigmentosa Autosomal recessive childhood-onset severe retinal dystrophy is a heterogeneous group of disorders affecting rod and cone photoreceptors simultaneously. The most severe cases are termed Leber congenital amaurosis (see 204000), whereas the less aggressive forms are usually considered juvenile retinitis pigmentosa (Gu et al., 1997). Autosomal recessive forms of juvenile retinitis pigmentosa can be caused by mutation in the SPATA7 (609868), LRAT (604863), and TULP1 (602280) genes (see LCA3, 604232, LCA14, 613341, and LCA15, 613843, respectively). An autosomal dominant form of juvenile retinitis pigmentosa (see 604393) is caused by mutation in the AIPL1 gene (604392). [from GTR]

MedGen UID:
20551
Concept ID:
C0035334
Disease or Syndrome
2.

Neutrophil recovery

MedGen UID:
1384357
Concept ID:
C4510188
Finding
3.

Sustained Engraftment

Sustained donor-derived neutrophil recovery with achievement of donor chimerism equal or greater than 90%. [from NCI]

MedGen UID:
820633
Concept ID:
C3827885
Finding
4.

Neutrophil Engraftment

An absolute neutrophil count (ANC) of 500 or more (500 or more neutrophils in a cubic millimeter of blood) for 3 days in a row is a sign of engraftment. Neutrophil engraftment can occur as early as 10 days after transplant. About 20 days is more common for patients who receive marrow or peripheral (circulating) blood cells. For patients who receive cord blood, the average time to neutrophil engraftment is between 21 and 35 days.(from www.marrow.org) [from NCI]

MedGen UID:
362151
Concept ID:
C1882078
Finding
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