A 40 year old woman presents to the emergency department with acute onset abdominal pain along with waves of nausea and vomiting. The pain is in the lower abdomen, stabbing in quality, radiating to the back, flanks, and groin. There is no fever and no peritoneal signs. The patient says she was just exercising vigorously when the pain occurred. Pregnancy test is negative.
The patient is taken to laparoscopy. The intestines including the appendix appears normal. But this is seen:
Challenge: What is that? What's the diagnosis?
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