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[Bony bridges of the lumbar transverse processes]
F P Billet1, W G Schmitt, E Böhmer
1Radiologische Abteilung, Juliusspital Würzburg.
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|August 1, 1991
Summary
Traumatic osseous bridges form between lumbar transverse processes after back injuries, requiring myositis ossificans. Diagnosis relies on recognizing specific shapes like "h", "H", "K", or "Z" for traumatic cases.
Area of Science:
- Orthopedics
- Radiology
- Anatomy
Background:
- Traumatic osseous bridges between lumbar transverse processes are rare bone formations following back trauma.
- Myositis ossificans is a necessary condition for their development, influenced by hematoma localization.
- Traumatic etiology is not always apparent due to unawareness of underlying transverse process fractures.
Purpose of the Study:
- To differentiate between traumatic and congenital osseous bridges.
- To characterize the diagnostic features of traumatic osseous bridges.
- To analyze the shapes and prevalence of different types of inter-transverse osseous bridges.
Main Methods:
- Radiographic analysis of patients with inter-transverse osseous bridges.
- Classification of traumatic osseous bridges based on shape (h, H, K, Z).
- Comparison of features between traumatic and congenital osseous bridges.
Main Results:
- Traumatic osseous bridges are characterized by specific shapes related to the trauma mechanism.
- Congenital osseous bridges (11 out of 72 cases) exhibit distinct features: O-shape, pathological lumbar concavity, and absence of degenerative changes.
- The study identified 72 patients with inter-transverse osseous bridges, with a minority being congenital.
Conclusions:
- Diagnosis of traumatic osseous bridges depends on recognizing characteristic shapes.
- Congenital osseous bridges have unique embryogenic and functional dynamic features.
- Distinguishing between traumatic and congenital bridges is crucial for accurate diagnosis and understanding etiology.