Der Unfallchirurg
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Closed tendon ruptures of the thumb that require secondary reconstruction can affect the extensor pollicis longus (EPL), extensor pollicis brevis (EPB) and flexor pollicis longus (FPL) tendons. Treatment of rupture of the EPB tendon consists of refixation to the bone and temporary transfixation of the joint. In the case of preexisting or posttraumatic arthrosis, definitive arthrodesis of the thumb is the best procedure. ⋯ Closed FPL ruptures at the wrist typically occur 3-6 months after osteosynthesis of distal radius fractures with palmar plates and are mostly characterized by crepitation and pain lasting for several weeks. They can be prevented by premature plate removal, synovectomy and carpal tunnel release. For treatment of a ruptured FPL tendon in adult patients the options for tendon reconstruction should be weighed up against the less complicated tenodesis or arthrodesis of the thumb interphalangeal joint.
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In patients with carpometacarpal osteoarthritis of the thumb, treatment strategies should be based on functional impairment and pain. Although X‑ray imaging is an integral component of the diagnostics, it is of subordinate importance for the therapy algorithm. Conservative therapy is always the first step in the chain of treatment. ⋯ In this case isolated trapeziectomy is the method of choice. Suspension (interpositioning) arthroplasty is not associated with improved clinical results. More recent procedures which aim to avoid proximalization by tendon interposition, have not yet shown better clinical outcome compared to trapeziectomy alone.
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We present the case of a patient with osseous Ewing's sarcoma of the big toe occurring during the healing process after a fracture of the little toe, which significantly delayed diagnosis, despite striking findings on imaging. We subsequently performed further diagnostics, neoadjuvant chemotherapy, tumor resection in the form of a resection of the first ray, and adjuvant chemotherapy. This case shows that the occurrence of a secondary disease should always be considered in untypical courses of healing.