Table 2.

A brief summary about patients associated with HO following encephalitis

Authors	Age/gender	Time of coma	The affected joints	Locations	Therapies	Consequence
Tay [18] et al.	26/female	28 days	Bilateral hips	Image of CT showed: medial aspect of upper thighs	Surgery and radiotherapy	No recurrence and moderate gain in the rage of motion
Jayasundara [8] et al.	21/male	35 days	Bilateral hips and right elbow	CT showed: anterior,posterior and lateral aspects of both hips,	Surgery and physiotherapy	No recurrence and have acceptable range of movements at the affected joints
				Radiograph of the pelvis showed: anteroposterior
Saito [30] et al.	26/female	40 days	Bilateral knees	CT showed: Large area of the left distal femur and small area of right knee	Surgery and 800 mg daily of etidronate disodium	Slight recurrence occurred 3 weeks after surgery
An [7] et al.	38/female	13 months	Right shoulder and left elbow	Unknown	Excision,physical and diphosphonate postoperation	No recurrence and the range of motion improved markedly
Ours case	47/male	1 month	Both hips and knees	interior aspect of both the femoral necks and the peripheral areas of knee-joints, especially interior	Excision and 200 mg daily of Celecoxib	No recurrence and walk independently