Detailed Instructions: Given an abstract of a paper, generate a title for this paper such that conveys the key focus of the paper.
Problem:Abstract: Two cases of osteochondritis dissecans of the talar dome treated by closed percutaneous drilling are presented to illustrate a procedure for high-risk patients. The operation is performed with the aid of an image intensifier. The ostoechondral fragment is percutaneously drilled to avoid open operation and osteotomizing the medial malleolus.
Solution:
Closed percutaneous drilling for osteochondritis dissecans of the talus. A report of two cases.