Soft tissue characterization and modeling based on living tissues has been investigated in order to provide a more realistic behavior in a virtual reality based surgical simulation. In this paper, we characterize the nonlinear viscoelastic properties of intra-abdominal organs using the data from in vivo animal experiments and inverse FE parameter estimation algorithm. In the assumptions of quas...

introduction: coverage of bone grafts is very important in reconstructive surgery. in edentulous alveolar ridges this coverage is particularly important for supporting dental prostheses. here we present the case of a patient with a large deficient maxillary anterior region that was reconstructed with a bilateral palatal submucosal periosteal connective tissue flap: a soft tissue reserve for upp...

While deformable object modeling has been studied in computer graphics for more than two decades, only a few applications in surgical simulation have been developed which provide both real-time and physically realistic modeling of complex, non-linear, tissue deformations. Especially in craniofacial surgery the prediction of soft tissue changes which are the result of the alteration of the under...

While deformable object modeling has been studied by computer graphics specialists for more than two decades, only a few applications in the field of surgical simulation have been developed which provide both real-time and physically realistic modeling of complex, nonlinear tissue deformations. Particularly in craniofacial surgery, the prediction of soft-tissue changes--which result from altera...

While deformable object modeling has been studied by computer graphics specialists for more than two decades, only a few applications in the field of surgical simulation have been developed which provide both real-time and physically realistic modeling of complex, nonlinear tissue deformations. Particularly in craniofacial surgery, the prediction of soft-tissue changes—which result from alterat...

This paper systematically describes an interactive dissection approach for hybrid soft tissue models governed by extended position-based dynamics. Our framework makes use of a hybrid geometric model comprising both surface and volumetric meshes. The fine surface triangular mesh with high-precision geometric structure and texture at the detailed level is employed to represent the exterior struct...

  Sarcoidosis is a systemic disease that is characterized with noncaseating granulomatous nodules which present in multiple organs specially lungs (90%) . Incidence of masses due to Sarcoidosis in upper extremity is low and most cases present in association with involvement of pulmonary hilary lymph nodes. In this article we present a rare case of Sarcoidosis which presented as a single soft ti...

A 12-year-old girl was visited at our clinic with multiple soft tissue and bony painless swellings over her right hand since she was 2 years old (Figure 1). Soft tissue masses increased in size and number. She was born to non-consanguineous parents. Her early development was normal and she had no other medical problems. There was no family history of similar problem. Examination revealed multip...