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A. Sonographic image of the left lower quadrant reveals a markedly enlarged left ovary with heterogeneous internal echogenicity (black arrows) and free fluid in the cul-de-sac (asterisk). B. A high-frequency transducer provided a focused image of the lesion, displaying peripherally located follicles (asterisks) and minimal stromal vascularity (white arrow), with an arterial waveform present (not shown). Venous flow was not detected.
