Table 1.

Summary of the available literature about the use of hip arthroscopy for the treatment of acetabular osteoid osteoma

Study	Year	Type of study	Sample size	Gender	Age	Affected hip	Location of mass	Position	Portals	Synovectomy	Remarks	Follow-up	Recurrence
Alvarez et al. [23]	2001	Case report	1	M	16	L	Medial wall	NR	Anterolateral; posterolateral; anterior	NR	Excision; post-operative impotence and perineal numbness for 4 weeks	6 months	No
Aşık et al. [29]	2014	Case report	1	M	7	R	Inferior midline of the Y cartilage	Supine	Anterolateral; other portal NR	Yes	RFA and excision	8 months	No
Barnhard & Raven [26]	2011	Case report	1	M	20	R	Anterior of the fovea	NR	Anterolateral; midanterior; anterior to the anterolateral	NR	Excision	NR	No
Chang et al. [25]	2010	Case report	1	F	29	L	Posteroinferior	NR	Anterolateral; posterolateral; anterior	Yes	Excision	1 year	No
Khapchik et al. [22]	2001	Case report	1	M	34	L	Fossa	Lateral decubitus	Anterolateral; posterolateral; anterior	NR	Excision	18 months	No
Lee et al. [24]	2009	Case report	1	M	10	R	Medial wall	Supine	Anterolateral; posterolateral; anterior	NR	Excision	20 months	No
Nehme et al. [27]	2012	Case report	1	M	29	L	Superior	Supine	Anterior; anterolateral; anteroinferior	Yes	Excision	2 years	No
Ricci et al. [20]	2013	Case report	1	F	47	R	Fossa	Supine	Anterolateral; midanterior	Yes	RFA of the tumor	22 months	No
Shoji et al. [28]	2014	Case report	1	M	12	L	Medial wall	Supine	Anterolateral; midanterior	Yes	Excision	14 months	No
Tokis et al. [21]	2014	Case report	1	M	19	L	Posterior column extending to the fovea	Supine	Anterior; anterolateral; anteroinferior	Yes	Excision; Case of recurrence after CT-guided RFA	1 year	No

* M = Male; F = Female; R = Right; L = Left; NR = Not reported; RFA = Radiofrequency ablation