This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
Serocystic disease of Brodie is also known as: 
Select and explain. 
A. Cystosarcoma phyllodes, B. Fibroadenoma, C. Galactocele, D. Traumatic fat necrosis
A: Cystosarcoma phyllodes
Answer: A: Cystosarcoma phyllodes 
Explanation: (Cystosarcoma phyllodes): Ref: 834-LB (836-B & L 25th)Phvlioid tumours: benign tumour, previously sometimes known as serocystic disease of Brodie or cystosarcoma phylloides* Usually occurs over the age of 40* May recur locally but, despite the name of cystosarcoma phyllodes they one rarely cystic and only very rarely develop features of a sarcomatous tumoursTreatment* Benign = Enucleation in very young women or wide local excision* Massive tumours recurrent and those of malignant type - Mastectomy