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CLINICAL CASE

Bilateral lacertus fibrosus entrapment of median nerve at the elbow (Lacertus syndrome)

Ishikhov IM1, Kolomiets KV1, Gamidov FM2, Gantsgorn EV1
About authors

1 Rostov State Medical University, Rostov-on-Don, Russia

2 Clinical Hospital “Railways-Medicine”, Rostov-on-Don, Russia

About paper

Author contribution: Ishikhov IM — study concept, literature analysis, data interpretation, manuscript writing; Kolomiets KV — literature analysis, data interpretation; Gamidov FM — patient's treatment and follow-up, manuscript writing; Gantsgorn EV — data interpretation, manuscript editing.

Compliance with ethical standards: the informed consent for surgery and personal data processing was obtained from the patient.

Received: 2021-03-16 Accepted: 2021-04-10 Published online: 2021-04-25
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Fig. 1. Preoperative markup
Fig. 2. WALANT (Wide-Awake Local Anesthesia No Tourniquet) local infiltration anaesthesia
Fig. 3. Incision. BT — biceps tendon; МЕ — medial epicondyle
Fig. 4. Lacertus fibrosus (LF) ligament is carefully isolated and divided in its entire length
Fig. 5. Median nerve is easily seen after LF division. MN — median nerve; PT — pronator teres
Fig. 6. Postoperative wound