ACR Codes: 1.6
Tuberous Sclerosis is an autosomal dominant disorder producing systemic lesions. Two genes are associated: TSC1 (9q) and TSC2 (16p). TSC1 codes for a protein "hamartin" of 130 kD, expressed in brain, kidney and heart. TSC2 codes for "tuberin".
The most commonly affected organ systems include:
Skin - angiofibroma, ash leaf macule
Brain - cortical tubers, subependymal nodules
Kidney - angiomyolipoma, cysts, rarely renal cell Ca
Bone - bone islands, cystic lucencies
Heart - rhabdomyoma
Lung - lymphangioleiomyomatosis
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