Related Experiment Video
Updated: May 29, 2026

A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
Published on: June 24, 2020
Meconium-induced periorchitis
Hardy Krause1, Hans-Juergen Hass, Ludwig von Rohden
1University Hospital, Magdeburg (Germany), Division of Pediatric Surgery, Department of Surgery, Leipziger Strasse 44, Magdeburg, 39120, Germany.
Insights
This case report details a rare instance of meconium periorchitis in a newborn, a condition arising from prior meconium peritonitis and an open processus vaginalis peritonei. Early diagnosis and intervention preserved the testes, avoiding unnecessary orchiectomy.
Area of Science:
- Pediatric Surgery
- Neonatology
- Gastroenterology
Background:
- Testicular tumor-like lesions and extratesticular masses present diagnostic challenges in newborns.
- Periorchitis, an inflammation of the testicular coverings, can have various causes, including inflammatory and neoplastic conditions.
- Meconium periorchitis is an exceptionally rare postnatal complication.
Purpose of the Study:
- To report an unusual case of meconium periorchitis in a premature infant.
- To elucidate the pathophysiology of this rare condition.
- To emphasize the importance of accurate diagnosis for preventing unnecessary testicular surgeries.
Main Methods:
- Case report of a premature male infant with abdominal distension and subsequent bilateral hydrocele.
- Surgical exploration revealing a processus vaginalis peritonei filled with meconium.
- Pathohistological examination to confirm meconium periorchitis.
Main Results:
- Meconium periorchitis was diagnosed postoperatively.
- The processus vaginalis peritonei was found to be open and contained meconium.
- The testes were preserved during surgery, with no adverse outcomes on follow-up.
Conclusions:
- Meconium periorchitis requires a patent processus vaginalis peritonei and a history of meconium peritonitis.
- Understanding the specific pathophysiology is crucial for appropriate clinical management.
- This case highlights the potential to avoid orchiectomy through correct diagnosis and treatment of meconium periorchitis.
Abstract:
A testicular tumour-like lesion or a solid extratesticular mass are serious postnatal problems with a broad spectrum of inflammatory or tumorous causes and possible differential diagnoses. In this case report, an extraordinary case of a newborn boy with a rare cause of a periorchitis is described.A premature boy infant (25-year-old mother with obesity) was diagnosed as having a disturbance of prosperity. A plain film of the abdomen showed a dilated intestine (no pathological findings in abdominal ultrasound, in particular, no ascites). After 3 postnatal months of clinical observation at the hospital including temporary parenteral nutrition, hydrocele at both sides was diagnosed. Therefore, the boy underwent surgical exploration. Intraoperatively, the processus vaginalis peritonei was surprisingly filled with meconium; because of that, the situs was extensively rinsed. In addition, the boy underwent an operation for the right and left hydrocele. The testes were preserved (on follow-up investigation there were no further problems).Pathohistological investigation confirmed meconium periorchitis, which is a rare postnatal disease and which can only develop in cases of former meconium peritonitis and if the processus vaginalis peritonei is open. The precise details of cause and pathophysiology in this case may significantly help in avoiding unnecessary orchiectomy.
Related Concept Videos
Cholecystitis
Appendicitis-I: Introduction
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Appendicitis
Intestinal Obstruction II: Pathophysiology
Esophageal Perforation-II: Clinical Manifestations and Management
Clinical Manifestations:
Atypical Pneumonia
