Proceedings of Meeting of the Association of Military Surgeons of the United States. . Fractures of the Low er Extremity of the Radius. 531 hire may be created, radiating from a central point, comminutingthe lower fragment, if a transverse fracture coexists, or in othercases extending upward as longitudinal crevices for a variable dis-tance along the shaft, without transverse fracture. See Figs. 20to 25. The injuries sustained by the soft tissues about the wrist-joint, coincident with the bone-lesions that have been described,are extensive and important. The ligaments are violently


Proceedings of Meeting of the Association of Military Surgeons of the United States. . Fractures of the Low er Extremity of the Radius. 531 hire may be created, radiating from a central point, comminutingthe lower fragment, if a transverse fracture coexists, or in othercases extending upward as longitudinal crevices for a variable dis-tance along the shaft, without transverse fracture. See Figs. 20to 25. The injuries sustained by the soft tissues about the wrist-joint, coincident with the bone-lesions that have been described,are extensive and important. The ligaments are violentlystretched, partially lacerated, sometimes entirely ruptured: thesynovial sacs of the articulations are badly contused, sometimes. Fig. 19. —Fracture of the lower eod of the radius with anterior displacement ofthe lower fragment, urjited in deforrrjity. From specimeo in the Museumof Edinburgh College of Surgeons. (Roberts.) lacerated and filled with blood; the sheaths of the tendons, both infront and behind, are injured; in front the projection of the raggededge of the upper fragment into the midst of the flexor tendonsmay lacerate their sheaths and irritate the tendons, behind theviolent stripping up and continued tension of the periosteum is aninjury done to the floor of those extensor tendon sheaths into theformation of which it directly enters. Effusions of blood and lymph into the anterior tendon-sheathsand adjacent connective tissue spaces early produce a well markedswelling on the front of the wrist, above the annular ligament,which exaggerates the deformity formed by the bone displace-ment, and mav simulate displacement when none exists. Such an 532 Dr. Lewis Stephen Pilcher. effusion-tumor may result f


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmilitar, bookyear1897