Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)

Follicular torsion occurs when only a group of ovarian follicles rotates around its own axis resulting in vascular compromise. To our knowledge, no previous reports have documented the occurrence of this condition in chelonians. A 14-year-old female Trachemys scripta was presented with inappetence a...

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Main Authors: Alessandro Vetere, Martina Gavezzoli, Lucia Victoria Bel, Rosanna Di Lecce, Martina Fumeo, Mattia Bonazzi, Francesco Di Ianni
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-02-01
Series:Frontiers in Veterinary Science
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Online Access:https://www.frontiersin.org/articles/10.3389/fvets.2025.1524568/full
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author Alessandro Vetere
Martina Gavezzoli
Lucia Victoria Bel
Rosanna Di Lecce
Martina Fumeo
Mattia Bonazzi
Francesco Di Ianni
author_facet Alessandro Vetere
Martina Gavezzoli
Lucia Victoria Bel
Rosanna Di Lecce
Martina Fumeo
Mattia Bonazzi
Francesco Di Ianni
author_sort Alessandro Vetere
collection DOAJ
description Follicular torsion occurs when only a group of ovarian follicles rotates around its own axis resulting in vascular compromise. To our knowledge, no previous reports have documented the occurrence of this condition in chelonians. A 14-year-old female Trachemys scripta was presented with inappetence and lethargy for approximately 2 weeks. Diagnostic tests, including complete blood work, radiography, and ultrasound, were performed. Radiographs showed no pathological changes, while blood tests showed mild heterophilia. Ultrasound revealed multiple, round, heterogeneous hyperechoic follicles and free anechoic fluid in the coelom. The color flow examination through the right pre-femoral fossa revealed the absence of blood flow in a group of follicles. A total body CT scan highlighted several rounded formations, four of which contained disomogeneus areas. Fluid with an air-fluid level and gas-filled areas were also noted in the coelomic cavity. A diagnosis of preovulatory follicular stasis and coelomitis was made, and a bilateral ovariosalpingectomy was performed endoscopically via the right prefemoral fossa after 24 h stabilization. There was a 360° torsion in a group of follicles, which appeared dark and had an increased consistency compared to adjacent follicles. Adhesions between the pathological follicles and surrounding tissue were observed. Bacteriological analysis of the coelomic fluid revealed the presence of Klebsiella spp. Histopathological examination of both ovaries showed coagulative necrosis, hemorrhage, congestion, and vascular thrombosis, along with a mixed inflammatory infiltrate. Post-surgical treatment with marbofloxacin and meloxicam resulted in significant clinical improvement. The animal was discharged 15 days after surgery, with a normal appetite.
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spelling doaj-art-ae6c6734286740b39b0a5da06aac6a5c2025-02-05T07:32:36ZengFrontiers Media S.A.Frontiers in Veterinary Science2297-17692025-02-011210.3389/fvets.2025.15245681524568Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)Alessandro Vetere0Martina Gavezzoli1Lucia Victoria Bel2Rosanna Di Lecce3Martina Fumeo4Mattia Bonazzi5Francesco Di Ianni6Department of Veterinary Science, Università Degli Studi di Parma, Parma, ItalyDepartment of Veterinary Science, Università Degli Studi di Parma, Parma, ItalyNew Companion Animals Veterinary Clinic, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, RomaniaDepartment of Veterinary Science, Università Degli Studi di Parma, Parma, ItalyDepartment of Veterinary Science, Università Degli Studi di Parma, Parma, ItalyDepartment of Veterinary Science, Università Degli Studi di Parma, Parma, ItalyDepartment of Veterinary Science, Università Degli Studi di Parma, Parma, ItalyFollicular torsion occurs when only a group of ovarian follicles rotates around its own axis resulting in vascular compromise. To our knowledge, no previous reports have documented the occurrence of this condition in chelonians. A 14-year-old female Trachemys scripta was presented with inappetence and lethargy for approximately 2 weeks. Diagnostic tests, including complete blood work, radiography, and ultrasound, were performed. Radiographs showed no pathological changes, while blood tests showed mild heterophilia. Ultrasound revealed multiple, round, heterogeneous hyperechoic follicles and free anechoic fluid in the coelom. The color flow examination through the right pre-femoral fossa revealed the absence of blood flow in a group of follicles. A total body CT scan highlighted several rounded formations, four of which contained disomogeneus areas. Fluid with an air-fluid level and gas-filled areas were also noted in the coelomic cavity. A diagnosis of preovulatory follicular stasis and coelomitis was made, and a bilateral ovariosalpingectomy was performed endoscopically via the right prefemoral fossa after 24 h stabilization. There was a 360° torsion in a group of follicles, which appeared dark and had an increased consistency compared to adjacent follicles. Adhesions between the pathological follicles and surrounding tissue were observed. Bacteriological analysis of the coelomic fluid revealed the presence of Klebsiella spp. Histopathological examination of both ovaries showed coagulative necrosis, hemorrhage, congestion, and vascular thrombosis, along with a mixed inflammatory infiltrate. Post-surgical treatment with marbofloxacin and meloxicam resulted in significant clinical improvement. The animal was discharged 15 days after surgery, with a normal appetite.https://www.frontiersin.org/articles/10.3389/fvets.2025.1524568/fullovarian torsionfollicular torsionTrachemys scripta elegansreproductive disordersreptilesChelonia
spellingShingle Alessandro Vetere
Martina Gavezzoli
Lucia Victoria Bel
Rosanna Di Lecce
Martina Fumeo
Mattia Bonazzi
Francesco Di Ianni
Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)
Frontiers in Veterinary Science
ovarian torsion
follicular torsion
Trachemys scripta elegans
reproductive disorders
reptiles
Chelonia
title Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)
title_full Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)
title_fullStr Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)
title_full_unstemmed Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)
title_short Partial unilateral ovarian torsion in a red-eared slider turtle (Trachemys scripta elegans)
title_sort partial unilateral ovarian torsion in a red eared slider turtle trachemys scripta elegans
topic ovarian torsion
follicular torsion
Trachemys scripta elegans
reproductive disorders
reptiles
Chelonia
url https://www.frontiersin.org/articles/10.3389/fvets.2025.1524568/full
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