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Superior oblique muscle underaction

MedGen UID:
1636377
•Concept ID:
C4703405
•
Finding
Synonym: Under-depression in adduction
 
HPO: HP:0025595

Definition

Reduced ocular movement of the superior oblique muscle which improves on testing ductions, typically associated with neurogenic palsy. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVSuperior oblique muscle underaction

Professional guidelines

PubMed

Deficiency of depression in adduction: clinical characteristics and surgical management of the "inverted Brown pattern".
Marsh JD, Yilmaz PT, Guyton DL
J AAPOS 2016 Feb;20(1):7-11. doi: 10.1016/j.jaapos.2015.10.011. PMID: 26917064
"Inverted Brown pattern": a tight inferior oblique muscle masquerading as a superior oblique muscle underaction--clinical characteristics and surgical management.
Awadein A, Pesheva M, Guyton DL
J AAPOS 2006 Dec;10(6):565-72. doi: 10.1016/j.jaapos.2006.08.010. PMID: 17189152

Recent clinical studies

Etiology

The stability of horizontal ocular alignment of triad exotropia after one-step triple surgery.
Wu L, Xia W, Li L, Xi S, Wang X, Wen W, Jiang C, Liu G, Zhao C
Graefes Arch Clin Exp Ophthalmol 2020 Apr;258(4):899-908. Epub 2020 Jan 14 doi: 10.1007/s00417-019-04599-2. PMID: 31932885
Deficiency of depression in adduction: clinical characteristics and surgical management of the "inverted Brown pattern".
Marsh JD, Yilmaz PT, Guyton DL
J AAPOS 2016 Feb;20(1):7-11. doi: 10.1016/j.jaapos.2015.10.011. PMID: 26917064
"Inverted Brown pattern": a tight inferior oblique muscle masquerading as a superior oblique muscle underaction--clinical characteristics and surgical management.
Awadein A, Pesheva M, Guyton DL
J AAPOS 2006 Dec;10(6):565-72. doi: 10.1016/j.jaapos.2006.08.010. PMID: 17189152

Prognosis

The stability of horizontal ocular alignment of triad exotropia after one-step triple surgery.
Wu L, Xia W, Li L, Xi S, Wang X, Wen W, Jiang C, Liu G, Zhao C
Graefes Arch Clin Exp Ophthalmol 2020 Apr;258(4):899-908. Epub 2020 Jan 14 doi: 10.1007/s00417-019-04599-2. PMID: 31932885
"Inverted Brown pattern": a tight inferior oblique muscle masquerading as a superior oblique muscle underaction--clinical characteristics and surgical management.
Awadein A, Pesheva M, Guyton DL
J AAPOS 2006 Dec;10(6):565-72. doi: 10.1016/j.jaapos.2006.08.010. PMID: 17189152

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