This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
The most likely diagnosis is a case of the intractable convulsions mental defect and facial nevus is- 
Select and explain. 
A. Sturge Weber syndrome, B. Tuberous sclerosis, C. Von-Hippen -Lindau disease, D. Von- Reckling-Hausens disease
A: Sturge Weber syndrome
Answer: A: Sturge Weber syndrome 
Explanation: Sturge Weber syndrome and Von-Reckling-Hausen disease (NF-1) have been explained earlier about other options. 

Tuberous sclerosis ( Bourneville's disease)

Tuberous sclerosis is characterized by : -


Cutaneous lesions → Adenoma sebaceum, ash-leaf shaped hypopigmented macules, shagreen patches, depigmented nevi.
Seizures
Mental retardation


Other features  → Calcified subependymal nodules, Subependymal giant cell astrocytoma, ependymoma,

Rhabdomyomas of the heart, and angiomyomas of the kidney, liver, adrenals and pancreas.
Von Hippel - Lindau syndrome

This syndrome consists of Retinal, cerebellar and spinal hemangioblastoma.
Renal cell carcinoma, Pheochromocytoma, benign cyst of the kidney, liver, pancreas and epididymis may also occur.
Polycythemia may occur due to secretion of erythropoietin from hemangioblastoma.