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Having six or more café au lait spots greater than 5 mm in diameter before puberty, or greater than 15 mm in diameter after puberty, is a diagnostic feature of neurofibromatosis type I (NF-1), but other features are required to diagnose NF-1. [2] Familial multiple cafe-au-lait spots have been observed without an NF-1 diagnosis. [9] Noonan syndrome
Legius syndrome (LS) is an autosomal dominant condition characterized by cafe au lait spots. [3] It was first described in 2007 and is often mistaken for neurofibromatosis type I. It is caused by mutations in the SPRED1 gene. [5] [6] It is also known as neurofibromatosis type 1-like syndrome. [1]
Neurofibromatosis type 1 in early life may cause learning and behavior problems – about 60% of children who have NF1 have mild difficulty in school. [7] Signs the individual might have are as follows: [8] [9] Six or more light brown dermatological spots ("café au lait spots") At least two neurofibromas; At least two growths on the eye's iris
The Mongolian spot is a congenital developmental condition exclusively involving the skin. The blue colour is caused by melanocytes, melanin-containing cells, that are deep under the skin. [6] Usually, as multiple spots or one large patch, it covers one or more of the lumbosacral area (lower back), the buttocks, sides, and shoulders. [6]
Conditions associated with the development of café au lait macules Condition Ataxia–telangiectasia: Bloom syndrome: Fanconi anaemia: Gaucher's disease: Legius syndrome: Marfan syndrome: McCune–Albright syndrome: Multiple endocrine neoplasia type 1: Neurofibromatosis type 1: Neurofibromatosis type 1-like syndrome: Noonan syndrome: Peutz ...
It was first discovered when Riccardi et al. described multiple families with cafe-au-lait spots and no association for neurofibromatosis in 1980. [5]In 1993, Charrow et al. described five members from a four-generation family who had the characteristic tell-tale sign of neurofibromatosis, multiple cafe au lait spots; however, testing of the gene usually involved in neurofibromatosis revealed ...
Although FA can occur in patients without congenital defects and be diagnosed in adulthood, classic clinical features like growth retardation, small head size, café-au-lait spots, radial ray defects, and renal structural abnormalities can be powerful diagnostic clues.
These have irregular borders and range in size from 1 mm in diameter to café-au-lait spots, several centimeters in diameter. Also, some areas of vitiligo-like hypopigmentation may be observed. Electrocardiographic conduction abnormalities: Generally observed on an electrocardiograph as a bundle branch block.