Related Experiment Video
Updated: Jan 23, 2026

Tangential Flow Ultrafiltration: A “Green” Method for the Size Selection and Concentration of Colloidal Silver Nanoparticles
Published on: October 4, 2012
Tangential excision debulking with vertical sections prior to Mohs micrographic surgery
Simon C Tucker1, Carl Vinciullo1,2
1Oxford Dermatology, Mount Hawthorn, Western Australia, Australia.
Tangential excision debulking offers a superior method for preparing skin tumors before Mohs micrographic surgery. This technique provides better tissue specimens for accurate histopathological analysis compared to traditional methods.
Area of Science:
- Dermatology
- Surgical Pathology
Background:
- The tangential excision technique is established for truncal superficial basal cell carcinomas.
- Its application for debulking prior to Mohs micrographic surgery has not been previously explored.
Purpose of the Study:
- To introduce and evaluate tangential excision debulking as a novel approach for skin tumor removal before Mohs micrographic surgery.
- To compare its efficacy with traditional debulking methods.
Main Methods:
- Utilized tangential excision for debulking skin tumors.
- Incorporated vertical sectioning for histopathological analysis of the excised tissue.
- Compared the resulting tissue specimens with those from curettage debulking.
Main Results:
- Tangential excision debulking provides a significantly improved tissue specimen for histopathological analysis.
- This method offers advantages over traditional curettage debulking.
Conclusions:
- Tangential excision debulking is a viable and advantageous alternative to curettage for preparing skin tumors before Mohs micrographic surgery.
- The technique enhances diagnostic accuracy through superior specimen quality.
Related Concept Videos
Base Excision Repair
The first step of...
Base Excision Repair
Nucleotide Excision Repair
Nucleotide Excision Repair
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
Vertical Curve: Problem Solving
Curvilinear Motion: Normal and Tangential Components
The positive direction of the t-axis aligns with the increasing position of the car along the curved path, denoted by the unit vector ut. Simultaneously, the n-axis, perpendicular to the t-axis, dissects the curved path into differential arc segments, each forming the arc of a circle with a radius of...

