Disorders with pigmented lesions | Figure 2.26 A: Waardenburg syndrome (Reprint from Levine N, Levine CC. Dermatologic Therapy: A–Z Essentials. New York: Springer; 2009.) B: Clinodactyly of 5th finger |
McCune–Albright Syndrome (Polyostotic Fibrous Dysplasia)- Sporadic, GNAS 1 gene mutation, encodes α subunit of Gs adenylate cyclase
- Large café-au-lait macules (geographic border), precocious puberty, pathological fractures, endocrine abnormalities (hyperparathyroidism, hyperthyroidism, acromegaly), sclerosis at base of skull
| | | | MCCune – Café au lait macules, preCocious puberty; do NOT confuse with Albright hereditary osteodystrophy (pseudohypoparathyroidism) | | | | |
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Russell–Silver Syndrome (Figure 2.26B) - Presents with triangular facies, hemihypertrophy, clinodactyly of the fifth finger, syndactyly of second/third toes
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