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Type B idiopathic bone defect of mandible: an etiopathogenic dilemma.

Jhamb AV, Jhamb PA, Dave A, Shetty VP - Case Rep Dent (2012)

Bottom Line: Radiographic interpretation is at times inadequate in diagnosis of odontogenic & nonodontogenic radiolucent lesions involving jaw bones.Histopathology has different criteria to segregate this lesion.In this paper, we discuss a case of type B histopathological variant of idiopathic bone defect that may suggest an alternative pathogenesis from type A variant.

View Article: PubMed Central - PubMed

Affiliation: Department of Oral & Maxillofacial Surgery, ESIC Dental College, Rohini, New Delhi 110 089, India.

ABSTRACT
Etiopathogenesis of the pathologic lesions forms the basis for formulation of appropriate intervention and further prevention. There is still a vast unknown field that has to be explored to know the causative reason behind certain benign & malignant lesions. Idiopathic bone defects are nonodontogenic pseudocystic cavities that are seen in the long bones & jaw bones. Radiographic interpretation is at times inadequate in diagnosis of odontogenic & nonodontogenic radiolucent lesions involving jaw bones. Histopathology has different criteria to segregate this lesion. In this paper, we discuss a case of type B histopathological variant of idiopathic bone defect that may suggest an alternative pathogenesis from type A variant.

No MeSH data available.


Related in: MedlinePlus

Clinical photograph of postoperative healed lesion.
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fig5: Clinical photograph of postoperative healed lesion.

Mentions: A differential diagnosis of ameloblastoma, central giant cell granuloma, odontogenic keratocyst, and traumatic bone cyst was made. It was decided to take an incisional biopsy after extraction of the involved first molar under local anesthesia. Upon raising the mucoperiosteal flap, the underlying buccal cortex showed expansion and a bluish tinge (Figure 3). A small drill hole was made in the bone to allow insertion of a needle for aspiration. The bony window was then enlarged to take incisional biopsy. The bony cavity was found to be almost empty with scanty serosanguinous fluid. A provisional diagnosis of solitary bone cyst was made at the time of surgical exploration. The involved teeth were extracted and sufficient bleeding was induced in the cavity after curettage of the cavity walls. The wound was closed primarily with 3-0 silk sutures. Histopathological examination of the curetted tissue exhibited osseous cystic wall and overlying fibrovascular tissue with no epithelial lining (Figure 4). A thick fibrovascular wall with underlying dysplastic bone could be appreciated which was suggestive of type B simple bone cyst [3]. Postoperatively, the wound healed uneventfully (Figure 5). The patient was followed up for next one year, as type B lesion has chances of recurrence when compared with type A. After 1 year the radiographs showed complete bony healing (Figure 6).


Type B idiopathic bone defect of mandible: an etiopathogenic dilemma.

Jhamb AV, Jhamb PA, Dave A, Shetty VP - Case Rep Dent (2012)

Clinical photograph of postoperative healed lesion.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3369421&req=5

fig5: Clinical photograph of postoperative healed lesion.
Mentions: A differential diagnosis of ameloblastoma, central giant cell granuloma, odontogenic keratocyst, and traumatic bone cyst was made. It was decided to take an incisional biopsy after extraction of the involved first molar under local anesthesia. Upon raising the mucoperiosteal flap, the underlying buccal cortex showed expansion and a bluish tinge (Figure 3). A small drill hole was made in the bone to allow insertion of a needle for aspiration. The bony window was then enlarged to take incisional biopsy. The bony cavity was found to be almost empty with scanty serosanguinous fluid. A provisional diagnosis of solitary bone cyst was made at the time of surgical exploration. The involved teeth were extracted and sufficient bleeding was induced in the cavity after curettage of the cavity walls. The wound was closed primarily with 3-0 silk sutures. Histopathological examination of the curetted tissue exhibited osseous cystic wall and overlying fibrovascular tissue with no epithelial lining (Figure 4). A thick fibrovascular wall with underlying dysplastic bone could be appreciated which was suggestive of type B simple bone cyst [3]. Postoperatively, the wound healed uneventfully (Figure 5). The patient was followed up for next one year, as type B lesion has chances of recurrence when compared with type A. After 1 year the radiographs showed complete bony healing (Figure 6).

Bottom Line: Radiographic interpretation is at times inadequate in diagnosis of odontogenic & nonodontogenic radiolucent lesions involving jaw bones.Histopathology has different criteria to segregate this lesion.In this paper, we discuss a case of type B histopathological variant of idiopathic bone defect that may suggest an alternative pathogenesis from type A variant.

View Article: PubMed Central - PubMed

Affiliation: Department of Oral & Maxillofacial Surgery, ESIC Dental College, Rohini, New Delhi 110 089, India.

ABSTRACT
Etiopathogenesis of the pathologic lesions forms the basis for formulation of appropriate intervention and further prevention. There is still a vast unknown field that has to be explored to know the causative reason behind certain benign & malignant lesions. Idiopathic bone defects are nonodontogenic pseudocystic cavities that are seen in the long bones & jaw bones. Radiographic interpretation is at times inadequate in diagnosis of odontogenic & nonodontogenic radiolucent lesions involving jaw bones. Histopathology has different criteria to segregate this lesion. In this paper, we discuss a case of type B histopathological variant of idiopathic bone defect that may suggest an alternative pathogenesis from type A variant.

No MeSH data available.


Related in: MedlinePlus