Torsion of appendix of testis

MedGen UID:: 581155
•Concept ID:: C0392531
•: Anatomical Abnormality

Synonyms:	Torsion of hydatid of Morgagni - male; Twisted vestigial remnant of the Muellerian duct
SNOMED CT:	Torsion of hydatid of Morgagni - male (198047009); Torsion of appendix of testis (198047009)

HPO:	HP:0033180

Definition

The appendix testis or hydatid of Morgagni, is a vestigial remnant of the Müllerian duct located on the superior pole of the testicle between the testis and epididymis. Although this appendage has no vital function, it is present in 50% of males. Torsion of twisting of this vestigial remnant can be incredibly painful, but usually requires no medical intervention. [from HPO]

Term Hierarchy

GTR
MeSH

CClinical test, RResearch test, OOMIM, GGeneReviews, VClinVar

CROGVTorsion of appendix of testis

Abnormality of the genitourinary system
- Abnormality of the genital system
  - Abnormal reproductive system morphology
    - Abnormality of the male genitalia
      - Abnormal male external genitalia morphology
        Abnormal testis morphology
        Torsion of appendix of testis

Professional guidelines

PubMed

Differential Diagnosis of Acute Scrotum in Childhood and Adolescence with High-Resolution Duplex Sonography.

Deeg KH
Ultraschall Med 2021 Feb;42(1):10-38. Epub 2021 Feb 2 doi: 10.1055/a-1325-1834. PMID: 33530122

The acute scrotum: aetiology, management and early outcome-preliminary report.

Dakum NK, Ramyil VM, Sani AA, Kidmas AT
Niger J Med 2005 Jul-Sep;14(3):267-71. PMID: 16350694

The clinical utility of serologic markers in the evaluation of the acute scrotum.

Rivers KK, Rivers EP, Stricker HJ, Lewis J, Urrunaga J, Karriem V
Acad Emerg Med 2000 Sep;7(9):1069-72. doi: 10.1111/j.1553-2712.2000.tb02103.x. PMID: 11044007

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