<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 6-month-old infant girl is brought by her parents to the emergency room due to abnormal jerky movements of the upper and lower limbs for the past month. When questioned about her birth history, the parents mention that a prenatal scan of the fetal heart revealed that the patient had a mass in the left ventricle, which led to the diagnosis of a neurocutaneous disorder in the child. Which of the following findings is a characteristic cutaneous finding associated with this young patients disorder?? A: Ash-leaf spots, B: Cafe-au-lait spots, C: Cavernous hemangioma of the skin, D: Cutaneous neurofibromas, E: Port-wine stain,  <response>: This is a clinical vignette describing a 6-month-old infant girl with abnormal jerky movements of the limbs and a history of a cardiac tumor detected on prenatal ultrasound. The question asks about the characteristic skin findings associated with this patients likely diagnosis. Based on the description, the infant likely has tuberous sclerosis complex TSC, which is characterized by the development of benign tumors in multiple organs including the brain, heart, skin, lungs, and kidneys. A cardiac rhabdomyoma detected prenatally is pathognomonic for TSC. The characteristic skin findings of TSC include ash-leaf spots, shagreen patches, and angiofibromas. Ash-leaf spots are hypopigmented macules that resemble the shape of ash tree leaves.A: Ash-leaf spots 