Abstract
Osteoporotic bone marrow defect of the jaws has been reported as a poorly demarcated radiolucency that affect mainly posterior mandible of middle-aged woman. The incidence of this condition is not exactly established and its pathogenesis remains unknown. An additional unusual case of osteoporotic bone marrow defects occurring bilaterally in the mandibular edentulous regions of a 32-year-old white woman is presented reinforcing its diagnostic criteria and histopathological findings.
Highlights
In adult life the presence of hematopoietic marrow in the jaws is usually restricted to the angle of the mandible, the maxillary tuberosity and the condylar process [1,2]
This paper describes an unusual case of bilateral bone marrow defects and discusses the characteristics and etiopathogeny of this condition
The histopathological findings confirmed the diagnosis of osteoporotic bone marrow defects of the mandible
Summary
In adult life the presence of hematopoietic marrow in the jaws is usually restricted to the angle of the mandible, the maxillary tuberosity and the condylar process [1,2]. Osteoporotic bone marrow defect is a radiolucent area that corresponds to the uncommon presence of hematopoietic tissue found in others regions of the jaws [2]. Since the osteoporotic bone marrow defect is rarely included in the differential diagnosis of radiolucent lesions of the jaws, the knowledge of the clinical, radiographic and histopathological characteristics in association with an accurate examination, are mandatory, in order to distinguish it from other most common intrabony lesions as odontogenic tumors or cysts, pseudocysts or primary or metastatic malignancies.
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