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Related Concept Videos

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Facial Feedback Hypothesis

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Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
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The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...
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Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
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Kidney Transplant I: Introduction01:28

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A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
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Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
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Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
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Preoperative Imaging for Facial Transplant: A Guide for Radiologists.

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Facial transplantation (FT) requires careful imaging coordination. This study outlines essential imaging modalities and protocols for successful facial transplant surgery.

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Area of Science:

  • Medical imaging
  • Surgical planning
  • Craniomaxillofacial reconstruction

Background:

  • Facial transplantation (FT) offers a viable solution for severe craniomaxillofacial deformities.
  • Successful FT necessitates close collaboration between radiologists and surgeons.
  • Understanding the strengths and weaknesses of various imaging techniques is crucial.

Observation:

  • Digital subtraction angiography and CT angiography are key for visualizing vascular structures.
  • Volume-rendered CT aids in assessing bone defects and identifying surgical landmarks.
  • The article details successful FT imaging strategies from two institutions and two case studies.

Findings:

  • A structured, stepwise approach to preoperative imaging is vital for FT.
  • Specific imaging modalities and protocols are highlighted for optimal surgical guidance.
  • Effective interpretation of imaging is essential for multidisciplinary team integration.

Implications:

  • This approach can enhance the success of complex facial transplant procedures.
  • Standardized imaging protocols can improve patient outcomes in craniomaxillofacial reconstruction.
  • The findings support the integration of advanced imaging in surgical planning for facial transplantation.