case_images: PMC11743830_01
case_images: (A + B): Pre-operative Clinical Presentation: Showing a visible mass in the thenar region.
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case_images: The mass was firm in consistency, and the overlying skin appeared normal, with no telangiectasias, collateral circulation, or signs of inflammation (Fig. 1).
case_images: (A + B): A standard left hand radiograph revealed increased soft tissue density (), with no evidence of calcifications or associated bone lesions.
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case_images: A standard radiograph of the hand showed increased soft tissue density without calcifications or associated bone lesions (Fig. 2).
case_images: (A + B + C + D): MRI of the right hand revealed a well-circumscribed mass in the thenar region,
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case_images: MRI of the right hand revealed a well-circumscribed mass in the thenar region, measuring 54 x 55 x 33.4 mm, showing intermediate signal intensity on T1- and T2-weighted images, and a high STIR signal, with intense and heterogeneous enhancement following gadolinium injection (Fig. 3).
case_images: Surgical approach involved a longitudinal incision along the thumb opposition crease.
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case_images: A longitudinal incision following the thumb opposition crease was made (Fig. 4).
case_images: Intraoperative image: tumor displacing terminal branches of the median nerve (TBMN).
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case_images: Intraoperatively, we found a well-circumscribed, pearly white, multilobulated tumor closely adhering to and displacing the terminal branches of the median nerve (Fig. 5).
case_images: Intraoperative Image: The mass displacing the thenar muscles and compressing the flexor pollicis longus (FPL) without infiltration.
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case_images: The mass displaced the thenar muscles without infiltrating them and compressed the superficial and deep flexor tendons of the fingers medially, and the flexor pollicis longus tendon laterally (Fig. 6).
case_images: (A + B): postoperative recovery, with no nerve complications and full restoration of hand function.
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case_images: Additionally, hand function was objectively evaluated using the QuickDASH questionnaire, which yielded a score of 6, indicative of excellent recovery outcomes. (Fig. 7).