X-ray of an 8 year old patient shows expansile bone lesion in the upper end of humerus with breech of the overlying cortex.Most probable diagnosis is:

X-ray of an 8 year old patient shows expansile bone lesion in the uppe

1.	X-ray of an 8 year old patient shows expansile bone lesion in the upper end of humerus with breech of the overlying cortex.Most probable diagnosis is:
A.	Unicameral bone cyst
B.	Giant cell tumour
C.	Aneurysmal bone cyst
D.	Chondroblastoma
Answer» D. Chondroblastoma