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Updated: Nov 17, 2025

Microsatellite DNA Genotyping and Flow Cytometry Ploidy Analyses of Formalin-fixed Paraffin-embedded Hydatidiform Molar Tissues
Published on: October 20, 2019
[Coincidence of hydatid of Morgagni and undescended testis: more common than expected !]
1Abteilung für Kinderchirurgie, Kinderurologie und Kindertraumatologie, Chirurgie I, Zentrum Operative Medizin (ZOM), Universitätsklinikum Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Deutschland.
Abstract:
As part of a retrospective data analysis over a period of 6 years, the coincidence of undescended testis and hydatid of Morgagni (appendix testis) was examined on the basis of 814 operated testes. The overall prevalence of hydatids after opening of the testicular envelope of undescended testes was 62.66%. In addition, we were able to establish a correlation between patient age and the hydatid size. According to the results of the study, the size of the hydatid-with growth most likely to be influenced by hormones-can be assumed to be associated with the patient's age.
Insights
This study found a high prevalence of hydatids (appendix testis) in undescended testes. Hydatid size correlated with patient age, suggesting hormonal influence on growth in pediatric patients.
Area of Science:
- Pediatric Surgery
- Urology
- Developmental Biology
Background:
- Undescended testis (cryptorchidism) is a common congenital anomaly.
- The appendix testis (hydatid of Morgagni) is a Mullerian remnant often found incidentally.
- The co-occurrence of these conditions requires further investigation.
Purpose of the Study:
- To determine the prevalence of hydatids in surgically managed undescended testes.
- To investigate the relationship between patient age and hydatid size in this cohort.
Main Methods:
- Retrospective analysis of 814 operated testes over a 6-year period.
- Intraoperative assessment of the presence and size of hydatids within the testicular envelope.
- Statistical correlation analysis between patient age and hydatid dimensions.
Main Results:
- A high overall prevalence of 62.66% for hydatids was observed in undescended testes.
- A significant positive correlation was established between patient age and the size of the hydatids.
- Hydatid size appears to increase with age, potentially influenced by hormonal factors.
Conclusions:
- Hydatids are frequently encountered during surgery for undescended testes.
- The observed correlation suggests a potential role for hormonal influences on hydatid growth during childhood.
- Further research into the embryological and hormonal factors is warranted.
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