[Isolated fracture of the 1st rib].
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During a collaborative review at three institutions, we documented 19 cases of stress fractures of the ribs in golfers. There were 13 men and 6 women with an average age of 39 years (range, 29 to 51). The 4th to 6th ribs were the most commonly injured. All fractures occurred along the posterolateral aspect of the ribs, and nine patients had fractures in more than one rib. Sixteen golfers sustained injury on the leading arm side of the trunk. Eighteen golfers were beginners, and the one experienced golfer had dramatically increased his practice time on the driving range before injury. Plain radiographs were usually diagnostic. However, bone scintigraphy was necessary to reach a diagnosis in three cases. A delay in diagnosis of 6 to 8 months occurred in two cases that were originally misdiagnosed as back strains. Stress fractures of the ribs in golfers may be more common than previously realized and may be incorrectly diagnosed as recalcitrant back strains. Based on the findings of other studies, we think fatigue of the serratus anterior is the mechanism of injury. We recommend strengthening the serratus anterior as rehabilitation after this injury and in a general conditioning program for golfers.
Osteoporosis is a common problem for the pathologist in the elderly female population where pathological fractures particularly of the neck of femur are frequent. Yet how should we assess osteoporosis at autopsy? This study reports on autopsy assessment of osteopenia, comparing our subjective findings of rib fracturability and vertebral compressibility with histological and histomorphometric assessment on a bone biopsy. We have shown a poor correlation between gross autopsy and histological techniques. There is good correlation between two gross autopsy techniques and these methods have been shown to be reproducible between observers. We believe that the most useful test of whether a patient's bones are likely to break is to assess the fracturability of the ribs (and possibly the vertebral bodies) at autopsy. This should be supplemented with undecalcified histology sections from the iliac crest where possible. Further studies are clearly warranted in this area.
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Unexplained fractures are characteristic of both osteogenesis imperfecta (OI) and non-accidental injury (NAI) but in most cases the diagnosis is straightforward. However, in a few OI patients an initial diagnosis of NAI is made. Factors contributing to such difficulties include failure to recognise that OI can occur without a family history, without blue sclerae, without osteopenia, without an excess of Wormian bones, or with metaphyseal fractures. In addition we report on 39 patients with an unusual history in that fractures only occurred in the first year of life. Rib fractures, metaphyseal abnormalities and periosteal reactions were common. The initial diagnosis was usually OI if the fractures occurred in hospital, but NAI if they appeared to have been sustained at home. Additional findings such as anaemia, vomiting, hepatomegaly, and apnoeic attacks were often found in these patients. The disorder has some similarities to the syndrome of infantile copper deficiency. Like the latter it is particularly common in preterm infants and in twins. Therefore, we are attempting to examine the incidence of significant hypocupraemia in unselected preterm infants. We suggest that the likely cause of this "temporary brittle bone disease" is a temporary deficiency of an enzyme, perhaps a metalloenzyme, involved in the post-translational processing of collagen.
A case of 80-year-old woman who died of hemorrhagic shock as a consequence of multiple heart and pericardial lacerations as well as myocardial contusion due to blunt trauma from assault is reported. At postmortem examination, fractures of the body of the sternum and bilateral ribs were detected. A laceration of the anterior left-sided pericardium, a 2.8-cm linear tear in the right venous sinus from the origin of the inferior to the origin of the superior vena cava, a 3-cm laceration between the venous sinus and the right auricle, and a 2-cm tear in the anterior wall of the left atrium, behind the aortic trunk, were visible. Multiple heart and pericardial lacerations were thought to be caused by compression of the heart between sternum and vertebrae, together with multiple rib fractures and extensive movements of the sternum toward the spine as a result of kicking.
Analyses of injuries sustained in airline disasters have been hampered by the frequent association of burn injury and by poor documentation. This report analyzes autopsy data from the crash of Avianca Flight 52 on Long Island, New York. There were 158 passengers of whom 73 died. The majority of persons had multiple organ injuries (average, 3.8/victim). Severe neurologic trauma included subarachnoid hemorrhage (65%), skull fracture (32%), and brain laceration (22%). Chest injuries included rib fractures (80%: average, 8.3/victim), hemothorax (58%), sternal fracture (22%), and lung contusion (33%). Orthopedic injuries (average, 4.4/victim) included pelvic (22%), tibial (37%), femur (22%), thoracic spine (33%), cervical spine (22%), and lumbar fractures (5%). Cardiovascular injuries included aortic transection (25%), heart laceration (14%), and major vascular injury (10%). Intra-abdominal injuries included liver (10%), spleen (8%), and kidney (10%). Unrestrained infants suffered severe injuries. Deaths in this airline disaster were from severe head and upper body injuries. This report may allow reappraisal of current restraint and safety measures.