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Related Concept Videos

Compact Bone01:27

Compact Bone

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Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
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Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
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[Primary intra-osseous carcinoma].

Susana Szlabi1, Jorge H Mukdsi, Mónica A Bruno

  • 11ra Cátedra de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba.

Medicina
|December 21, 2013
PubMed
Summary
This summary is machine-generated.

Primary intra-osseous carcinoma (PIOC) is a rare, aggressive jawbone cancer. This case highlights the challenges in diagnosing and treating PIOC, emphasizing the need for prompt intervention and comprehensive management strategies.

Keywords:
mandibular odontogenic tumorprimary intra-osseous carcinoma

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Area of Science:

  • Oral oncology
  • Pathology of jaw neoplasms

Background:

  • Primary intra-osseous carcinoma (PIOC) is a rare squamous cell carcinoma originating in the jawbones.
  • It presents as a locally aggressive tumor with potential for regional lymph node and distant metastases.

Observation:

  • A 72-year-old male presented with jaw pain post-molar extraction.
  • Histopathological examination revealed poorly differentiated squamous cell carcinoma with metastasis to 15 of 48 lymph nodes.

Findings:

  • The PIOC was linked morphologically to a residual odontogenic cyst.
  • Metastatic lymph nodes were identified in a significant proportion of isolated samples.

Implications:

  • This case underscores the importance of strict diagnostic criteria for PIOC, including histopathology and ruling out distant metastasis.
  • Treatment involves oncologic resection, radiotherapy, chemotherapy, and reconstructive surgery.
  • The patient's outcome highlights the aggressive nature of PIOC and the challenges in achieving long-term survival.