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: Skin
Which of the following is not a vascular malformation? 
Select and explain. 
A. Infantile haemangioma, B. Salmon patch, C. Po wine stain, D. Naevus aneamicus
A: Infantile haemangioma
Answer: A: Infantile haemangioma 
Explanation: Vascular bihmarks are broadly classified into: A) Vascular tumours B) Vascular malformations All the above mentioned conditions are vascular malformations except for haemangioma which is a vascular tumour. Note: salmon patch - synonyms --- stork bite or mark/ Nuchal stain Ref: Rook's textbook of dermatology, Edition-8, Page-18.40.