New Ultrasound Simulator Aims to Cut Endometriosis Diagnosis Times

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Endometriosis, a chronic and often debilitating condition affecting roughly 10% of people with uteruses, is notoriously difficult to diagnose. Many patients endure years of dismissed pain before receiving a definitive answer, if they receive one at all. Now, a new ultrasound simulator developed by Surgical Science seeks to improve clinicians’ ability to identify endometriosis earlier and more accurately.

The Diagnostic Gap in Endometriosis

For years, the “gold standard” for diagnosis has been invasive surgery. However, this option is inaccessible to many. Meanwhile, reliance on self-reported symptoms alone can lead to significant delays. While MRI and transvaginal ultrasound exist as noninvasive alternatives, training in their effective use for endometriosis detection remains inadequate. This leaves a critical gap in care, as early diagnosis is essential for managing the condition’s severe pelvic pain, infertility risks, and impact on quality of life.

How the Simulator Works

Surgical Science’s new simulator module focuses on improving ultrasound technique, particularly in identifying deep endometriosis. This aggressive form of the disease involves endometrial tissue invading other organs (bladder, bowel) and can be detected on ultrasound if clinicians are properly trained. The tool incorporates a technique called the “sliding sign”: smooth organ movement during ultrasound indicates no adhesions, while stiffness suggests the presence of scar tissue and potentially endometriosis. Workshop data shows a 150% increase in clinician confidence in deep endometriosis detection after using the simulator.

The Three Faces of Endometriosis

The disease manifests in three primary ways, each with varying detection difficulty:

  • Ovarian endometriomas (“chocolate cysts”): Relatively easy to spot on ultrasound.
  • Deep endometriosis: Detectable with training, but often overlooked.
  • Superficial endometriosis: The most common yet hardest to detect due to shallow lesions on abdominal lining.

The simulator currently does not train for superficial endometriosis diagnosis, and ultrasound remains less precise than MRI or surgery. However, it represents a tangible step toward more accessible and reliable detection.

Why Earlier Diagnosis Matters

For too long, endometriosis pain has been minimized or normalized. Access to accurate, timely diagnosis unlocks access to interventions — whether pain management, hormone suppression, or surgical options — that can dramatically improve quality of life. By democratizing ultrasound education, Surgical Science’s simulator could reduce diagnostic delays and empower more patients to receive the care they deserve.

“Better training means faster, more reliable detection.” – Tom Englund, CEO, Surgical Science.

The fight against endometriosis is far from over, but this new tool brings a significant advance toward reducing the suffering caused by years of misdiagnosis.