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Absent mastoid

MedGen UID:: 866723
•Concept ID:: C4021070
•: Congenital Abnormality

Synonyms:	Absent mastoids; Failure of development of mastoid; Mastoid agenesis

HPO:	HP:0012761

Definition

A developmental anomaly in which the mastoid process fails to form and is thus found to be congenitally absent. [from HPO]

Term Hierarchy

GTR
MeSH

CClinical test, RResearch test, OOMIM, GGeneReviews, VClinVar

CROGVAbsent mastoid

Abnormality of the musculoskeletal system
- Abnormality of the skeletal system
  - Abnormal skeletal morphology
    - Abnormal axial skeleton morphology
      - Abnormal skull morphology
        Abnormal mastoid morphology
        Absent mastoid

Recent clinical studies

Etiology

Increase in acute mastoiditis at the end of the COVID-19 pandemic.

Goldberg-Bockhorn E, Hurzlmeier C, Vahl JM, Stupp F, Janda A, von Baum H, Hoffmann TK
Eur Arch Otorhinolaryngol 2024 Sep;281(9):4747-4756. Epub 2024 May 14 doi: 10.1007/s00405-024-08704-y. PMID: 38740579 Free PMC Article

The morphometric analysis of mastoid foramen and mastoid emissary canal on cone-beam computed tomography (CBCT).

Yurdabakan ZZ, Okumuş Ö, Orhan K
Surg Radiol Anat 2023 Mar;45(3):303-314. Epub 2023 Jan 24 doi: 10.1007/s00276-023-03089-9. PMID: 36692538

Outcomes Following Modified Tympanomastoidectomy With Soft-wall Reconstruction.

Doerfer KW, Friedland DR
Otol Neurotol 2018 Oct;39(9):1139-1146. doi: 10.1097/MAO.0000000000001944. PMID: 30106849

The use of bone-anchored implants for absent ear.

Gentile P, Bottini DJ, Gravante G, Nicoli F, Caruso R, Cervelli V
J Craniofac Surg 2008 May;19(3):744-7. doi: 10.1097/SCS.0b013e31816ae30f. PMID: 18520393

Meningitis caused by Streptococcus in adults.

Lerner PI
J Infect Dis 1975 May;131 Suppl:S9-16. doi: 10.1093/infdis/131.supplement.s9. PMID: 1092775

See all (39)

Diagnosis

The morphometric analysis of mastoid foramen and mastoid emissary canal on cone-beam computed tomography (CBCT).

Yurdabakan ZZ, Okumuş Ö, Orhan K
Surg Radiol Anat 2023 Mar;45(3):303-314. Epub 2023 Jan 24 doi: 10.1007/s00276-023-03089-9. PMID: 36692538

Audiologic characterization using clinical physiological measures: Normative data from macaque monkeys.

Stahl AN, Mondul JA, Alek KA, Hackett TA, Ramachandran R
Hear Res 2022 Oct;424:108568. Epub 2022 Jul 12 doi: 10.1016/j.heares.2022.108568. PMID: 35896044 Free PMC Article

Dyke-Davidoff-Masson syndrome-like picture in a case of Takayasu arteritis: an enigma.

Roy K, Talukdar A, Ray S, Pal P
BMJ Case Rep 2012 Sep 11;2012 doi: 10.1136/bcr-2012-006669. PMID: 22967682 Free PMC Article

Mastoiditis and brain hernia (mastoiditis cerebri).

Paparella MM, Meyerhoff WL, Oliviera CA
Laryngoscope 1978 Jul;88(7 Pt 1):1097-106. doi: 10.1002/lary.1978.88.7.1097. PMID: 672344

Meningitis caused by Streptococcus in adults.

Lerner PI
J Infect Dis 1975 May;131 Suppl:S9-16. doi: 10.1093/infdis/131.supplement.s9. PMID: 1092775

See all (27)

Therapy

Radiographic Mastoid and Middle Ear Effusions in Intensive Care Unit Subjects.

Huyett P, Raz Y, Hirsch BE, McCall AA
Respir Care 2017 Mar;62(3):350-356. Epub 2016 Dec 6 doi: 10.4187/respcare.05172. PMID: 27923935

The galvanic whole-body sway response in health and disease.

Tax CM, Bom AP, Taylor RL, Todd N, Cho KK, Fitzpatrick RC, Welgampola MS
Clin Neurophysiol 2013 Oct;124(10):2036-45. Epub 2013 Jul 10 doi: 10.1016/j.clinph.2012.12.041. PMID: 23849702

Homograft (allograft) tympanoplasty update.

Lesinski SG
Laryngoscope 1986 Nov;96(11):1211-20. doi: 10.1002/lary.1986.96.11.1211. PMID: 3773619

Midlatency auditory evoked responses: differential recovery cycle characteristics.

Erwin RJ, Buchwald JS
Electroencephalogr Clin Neurophysiol 1986 Nov;64(5):417-23. doi: 10.1016/0013-4694(86)90075-1. PMID: 2428592

Meningitis caused by Streptococcus in adults.

Lerner PI
J Infect Dis 1975 May;131 Suppl:S9-16. doi: 10.1093/infdis/131.supplement.s9. PMID: 1092775

See all (15)

Prognosis

Increase in acute mastoiditis at the end of the COVID-19 pandemic.

Anatomic variations and anomalies involving the facial canal.

Nager GT, Proctor B
Otolaryngol Clin North Am 1991 Jun;24(3):531-53. PMID: 1762775

Treacher Collins syndrome: an otologic challenge.

Jahrsdoerfer RA, Aguilar EA, Yeakley JW, Cole RR
Ann Otol Rhinol Laryngol 1989 Oct;98(10):807-12. doi: 10.1177/000348948909801011. PMID: 2802464

Retromastoid microsurgical approach to vascular compression of the eighth cranial nerve.

Leclercq TA, Hill CL, Grisoli F
Laryngoscope 1980 Jun;90(6 Pt 1):1011-7. doi: 10.1002/lary.1980.90.6.1011. PMID: 7382697

The prognostic value of Eustachian tube function measurements in tympanoplastic surgery.

Virtanen H, Palva T, Jauhiainen T
Acta Otolaryngol 1980 Nov-Dec;90(5-6):317-23. doi: 10.3109/00016488009131732. PMID: 7211325

See all (23)

Clinical prediction guides

The morphometric analysis of mastoid foramen and mastoid emissary canal on cone-beam computed tomography (CBCT).

Yurdabakan ZZ, Okumuş Ö, Orhan K
Surg Radiol Anat 2023 Mar;45(3):303-314. Epub 2023 Jan 24 doi: 10.1007/s00276-023-03089-9. PMID: 36692538

Audiologic characterization using clinical physiological measures: Normative data from macaque monkeys.

Stahl AN, Mondul JA, Alek KA, Hackett TA, Ramachandran R
Hear Res 2022 Oct;424:108568. Epub 2022 Jul 12 doi: 10.1016/j.heares.2022.108568. PMID: 35896044 Free PMC Article

Type III cartilage "shield" tympanoplasty: an effective procedure for hearing improvement.

Kyrodimos E, Sismanis A, Santos D
Otolaryngol Head Neck Surg 2007 Jun;136(6):982-5. doi: 10.1016/j.otohns.2006.12.025. PMID: 17547992

Anatomic variations and anomalies involving the facial canal.

Nager GT, Proctor B
Otolaryngol Clin North Am 1991 Jun;24(3):531-53. PMID: 1762775

Treacher Collins syndrome: an otologic challenge.

Jahrsdoerfer RA, Aguilar EA, Yeakley JW, Cole RR
Ann Otol Rhinol Laryngol 1989 Oct;98(10):807-12. doi: 10.1177/000348948909801011. PMID: 2802464

See all (32)