Potential otogenic complications caused by cholesteatoma of the contralateral ear in patients with otogenic abscess secondary to middle ear cholesteatoma of one ear: A case report

Table 1 Summary of related literatures about an otogenic brain abscess

Date	Country	Number	Children/Adult	M/F	L/R/Both	Localization	Treatment	Ref.
1990-1996	India	36	21/16	26/10	19/11/6	Cerebellum 17 Temporal lobe 9 subdural 10	Concurrent craniotomy and mastoidectomy	Kurien et al[7]
1968-1999	Turkey	41	26/15	27/14	19/22/0	Cerebellum 17 Temporal lobe 23 both 1	RM + drainage through the cavity: 28 RM + Burr hole: 7RM + craniotomy: 6	Sennaroglu et al[8]
1984-2002	India	10	N	N	N	Cerebellum 4 Temporal lobe 6	RM + drainage through the cavity	Syal et al[9]
1985-2004	India	73	N	45/28	N	Cerebellum 5 Temporal lobe 13 Subdural 2 Multiple 1 Perisinus 11 Extradural 29	RM + drainage through the cavity	Morwani et al[10]
2000-2008	United States	30	30/0	18/12	14/16	Cerebellum 2 Temporal lobe 5 epidural 16 Petrous apicitis 3	Craniotomy with mastoid 6 Craniotomy without mastoid 3 Mastoidectomy with PE tube 21 PE tube 2 Antibiotics alone 2	Isaacson et al[12]
2003-2009	UK	6	5/1	3/3	3/3	Subdural 4 Cerebellum 2	mastoidectomy with needle drainage 5 With burr hole 1	Alaani et al[11]
1999-2010	Danmark	7	2/5	6/1	N	Temporal lobe 6 Cerebellum 1	Craniotomy 1;Aspiration, Mastoidectomy 3 Aspiration & Mastoidectomy 1	Lildal et al[13]
2009-2014	India	22	9/131	17/5	N	Temporal lobe 7; Cerebellum 15	Single-stage transmastoid drainage along with meticulous mastoid clearance	Mukherjee et al[14]
1970-2012	Finland	18	2/16	16/2	N	Temporal lobe 14 Cerebellum 2 Other 2	Punction 14; craniotomy 3; ventriculostomy 1; radical mastoid 14; mastoid revision 1	Laulajainen Hongisto et al[1]
2004-20212	Italy, Japan, United States, Indonesia	5	1/4	4/1	2/3	Temporal lobe 3 Cerebellum 1 Other 1	Craniotomy+RM 2Drain abscess+RM 1Drain abscess +Canal down procedure 2	Darmawan et al[18], Majmundar et al[17], Watanabe et al[16], Paolini et al[15]

¹9 patients are under 20 years, and 13 patients aged 20 and older.

²Summary of case reports.

RM: Radical mastoidectomy; M: Male; F: Female; L: Left; R: Right; Both: Left and right; N: Not mentioned.