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Related Concept Videos

Uterine Tubes01:16

Uterine Tubes

The uterine or fallopian tubes function as the conduit through which oocytes travel from the ovaries to the uterus. Each fallopian tube measures approximately 10 to 13 cm long and is anatomically divided into the infundibulum, ampulla, isthmus, and interstitial part (or intramural segment). The infundibulum is characterized by its funnel shape and features extensions called fimbriae which reach towards the peritoneal cavity. These fimbriae play a critical role during ovulation as they extend...
Torsion of Noncircular Members01:16

Torsion of Noncircular Members

Circular shafts undergoing torsional stress maintain their cross-sectional integrity due to their axisymmetric nature. This symmetry ensures an even distribution of stress, allowing the shaft to withstand torsion without distorting. In contrast, square bars, lacking this axial symmetry, experience significant distortion across their cross-sections when subjected to torsion, with the exception of along their diagonals and at lines connecting midpoints. A detailed examination of a cubic element...
Ovarian Cycle01:27

Ovarian Cycle

The menstrual cycle includes a critical component known as the ovarian cycle, which undergoes two main phases each month—the follicular phase and the luteal phase. The follicular phase is variable and averaging around 14 days. Ovulation, triggered by a surge in luteinizing hormone (LH), marks the transition between the two phases. The second phase, the luteal phase, is relatively consistent, lasting approximately 14 days, and is marked by the activity of the corpus luteum. While a cycle length...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Torsional Pendulum01:09

Torsional Pendulum

A torsional pendulum involves the oscillation of a rigid body in which the restoring force is provided by the torsion in the string from which the rigid body is suspended. Ideally, the string should be massless; practically, its mass is much smaller than the rigid body's mass and is neglected.
As long as the rigid body's angular displacement is small, its oscillation can be modeled as a linear angular oscillation. The amplitude of the oscillation is an angle. The role of mass is played by the...
Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...

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Related Experiment Video

Updated: May 8, 2026

Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma
11:29

Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma

Published on: January 22, 2022

Isolated fallopian tube torsion.

S Kardakis1, A Barranca, A Vitelli

  • 1Department of Obstetrics and Gynecology, Regional Hospital OBV, Via Turconi 23, Ticino, 6850 Mendrisio, Switzerland.

Case Reports in Obstetrics and Gynecology
|August 29, 2013
PubMed
Summary

Isolated Fallopian tube torsion is a rare cause of acute lower abdominal pain. Early diagnosis and prompt surgical intervention are crucial for potential tube conservation.

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Area of Science:

  • Gynecology
  • Surgical pathology

Background:

  • Isolated torsion of the Fallopian tube is an uncommon gynecological emergency.
  • It presents as acute lower abdominal pain, often mimicking other conditions.
  • Diagnostic challenges exist due to the lack of pathognomonic clinical, imaging, or laboratory findings.

Purpose of the Study:

  • To highlight the diagnostic difficulties and emphasize the importance of timely intervention for isolated Fallopian tube torsion.

Main Methods:

  • Review of clinical presentations and diagnostic modalities for isolated Fallopian tube torsion.
  • Discussion of typical preoperative ultrasound findings, including tubular adnexal masses with heterogeneous echogenicity and cystic components.
  • Emphasis on the role of laparoscopy in establishing a definitive diagnosis.

Main Results:

  • Preoperative diagnosis of isolated Fallopian tube torsion is rare.
  • Ultrasound may reveal characteristic adnexal masses, but definitive diagnosis often requires laparoscopy.
  • Delayed surgical intervention frequently precludes the possibility of conserving the Fallopian tube.

Conclusions:

  • Suspicion of isolated Fallopian tube torsion is warranted in cases of acute pelvic pain.
  • Prompt surgical intervention is essential for improving outcomes and potentially preserving the Fallopian tube.