CONTENTS
Observations in a Case of Osteodystrophia Fibrosa in a Dog
Summary of General Observations Published in a Previous Paper
Details of the Condition in the Organ of Hearing
The Histogenesis of Osteodystrophia Fibrosa in Comparison with That of Otosclerosis
The Question of Dystrophy and Degeneration
The Reaction
Resorption
Appearance of Mesenchymal Tissue
The Reparation
Progressive Phase (Differentiation)
Fibrous marrow
Formation of "nucleus"
Regressive Phase (Disturbances of Differentiation)
Lack of differentiation
Faulty differentiation
Nature of Otosclerosis as Inferred from the Comparison with Osteodystrophia Fibrosa
Hamartoplasia
Osteodystrophia Otosclerotica
The Diagnosis of Otosclerosis in Cases of Generalized Osteodystrophia Fibrosa
Summary
Bibliography
The relations between otosclerosis and ostedystrophia fibrosa have received considerable attention in the literature from both the clinical and anatomic standpoints. However, to my knowledge, no special critical comparison of these two diseases from the standpoint of histogenesis has appeared considering the most recent contributions made to the pathology of isteodystrophia
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