Abstract
A 37-year-old woman was referred to the School of Dentistry, Brazil, in April 2018, complaining of a radiographic finding noted by her dentist. The intra- and extraoral examination did not present any abnormalities. The panoramic radiograph revealed 2 different radiolucent images associated with the unerupted tooth 48. By mesial was suggestive of dentigerous cyst and by distal presented no defined limits, measuring about 2 cm, with an initial hypothesis of ameloblastoma. An incisional biopsy (distal image) with extraction of tooth 48 was carried out. The histopathology analysis of distal image showed hypercellular, hematopoietic bone marrow characterized by erythroid, granulocytic, and lymphocytic series. A few dilated vascular channels were also observed. There was no abnormality in the morphology of the hematopoietic cells and no evidence of malignant cells. The diagnosis of focal osteoporotic marrow defect was made. The mesial image revealed a dentigerous cyst. Currently, there is no evidence of disease. A 37-year-old woman was referred to the School of Dentistry, Brazil, in April 2018, complaining of a radiographic finding noted by her dentist. The intra- and extraoral examination did not present any abnormalities. The panoramic radiograph revealed 2 different radiolucent images associated with the unerupted tooth 48. By mesial was suggestive of dentigerous cyst and by distal presented no defined limits, measuring about 2 cm, with an initial hypothesis of ameloblastoma. An incisional biopsy (distal image) with extraction of tooth 48 was carried out. The histopathology analysis of distal image showed hypercellular, hematopoietic bone marrow characterized by erythroid, granulocytic, and lymphocytic series. A few dilated vascular channels were also observed. There was no abnormality in the morphology of the hematopoietic cells and no evidence of malignant cells. The diagnosis of focal osteoporotic marrow defect was made. The mesial image revealed a dentigerous cyst. Currently, there is no evidence of disease.
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