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Aneurysmal bone cyst-plus: a diagnostic enigma
Anurag Srivastava1, Ridhima Sharma, Rupa Chandramala
1Government Dental College, Jaipur, India. sanuragos@gmail.com
Abstract:
Aneurysmal bone cyst, commonly reported in the second and third decades of life, is characterized by a rapid growth pattern with resultant bony expansion and facial asymmetry. Interestingly, these lesions can occur in association with other primary bone pathologies, where they are referred to as "hybrid lesions" or "ABC-Plus." Their rarity, especially in the head and neck region, may pose a diagnostic challenge to clinicians. Following is a discussion of one such enigmatic lesion that includes description of a unique case of ABC-Plus that affected the right mandible of a young male.
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Gross Anatomy of Bone
The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The walls of the diaphysis are composed of dense and hard compact bone made of numerous osteons — the functional unit of the compact bone. The hollow region in the diaphysis is called the medullary cavity, which harbors the bone marrow. In infants and children, this marrow cavity is filled with red marrow, whereas in adults, it...