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Telepathology using immunofluorescence/immunoperoxidase microscopy
C M Lanschuetzer1, G Pohla-Gubo, B Schafleitner
1Department of Dermatology, Paracelsus Private Medical University, Salzburg, Austria.
Insights
Telepathology for skin biopsies using digital images showed high diagnostic agreement (82%) between remote and local centers. This method is effective for discussing rare skin diseases and training specialists.
Area of Science:
- Dermatopathology
- Medical Imaging
- Digital Pathology
Background:
- Immunohistochemistry (IHC) is crucial for diagnosing skin diseases with immune deposits.
- Telepathology offers remote diagnostic capabilities for specialized pathology.
Purpose of the Study:
- To assess the feasibility and accuracy of store-and-forward telepathology for interpreting digital immunohistochemical skin images.
- To evaluate diagnostic agreement in telepathology consultations for cutaneous immune deposition diseases.
Main Methods:
- Digital images from immunofluorescence (IF) and immunoperoxidase (IP) stained skin sections of 17 patients were emailed to remote expert centers.
- Store-and-forward telepathology interpretation was performed by experienced physicians at remote locations.
Main Results:
- High-quality digital IF images were suitable for static telepathology.
- Diagnostic agreement between local and remote interpretations was 82% (14 out of 17 cases).
Conclusions:
- Telepathology is a viable tool for discussing unusual skin disorders and providing second opinions.
- This approach supports training and consultation for centers lacking specialized immunohistochemical diagnostic expertise.
Abstract:
We evaluated low-cost, store-and-forward telepathology interpretation of digital images of skin sections stained immunohistochemically, using immunofluorescence (IF) and immunoperoxidase (IP). The sample comprised 17 patients with skin diseases characterized by cutaneous deposition of immunoglobulins, fibrinogen or complement components. Up to 11 digital IF or IP images (median 3) were transferred via email to centres in Graz, Austria, and Kurume, Japan. Both remote centres had expertise in reading immunohistochemical specimens. Although image files were relatively small (approximately 100 kByte), the IF images were of high quality and they were well suited to static telepathology. There was agreement on the diagnoses made by the local and both remote centres by physicians experienced in IF/IP microscopy in 14 of 17 cases (82%). These results suggest that telepathology evaluation of immunohistochemical specimens may be a useful procedure for the discussion of unusual skin disorders, training purposes and second-opinion consultations on difficult cases from centres of excellence in immunohistochemical diagnosis.
