RöFo : Fortschritte auf dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
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Accessory caudal ribs are reported as an extremely curious anomaly in five patients. Once the fracture of this rib was a source of pains after injury. The different shapes of the ribs are documented in this clinical survey which is the most extensive in the present literature. Anomalous ribs arise due to inappropriate segmentation during the embryonal development of the axial skeleton.
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Intrabronchial retention of large plugs of inspissated mucous in cases of disturbed bronchial secretion and impaired clearing mechanism leads often to chronic inflammation and to formation of "proximal" bronchiectasis. Mucoid impaction may occur in many bronchial diseases and is radiologically characterized by the so-called "mucous bronchogram".