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Session Information

FRM F012 - Diagnostically Challenging Melanocytic Lesions: Integration of Ancillary Studies with Morphologic and Clinical Findings

Open admission to eligible categories, no tuition or ticket

Subject:

Date: Friday, March 21

CME Credits: 2.00

Location: Room 203

Time: 10:00 AM - 12:00 PM

Director: Klaus J. Busam, MD

Speakers:
  • Pedram Gerami, MD, FAAD - Handout
  • Timothy H. McCalmont, MD
  • Iwei Yeh, MD, PhD, FAAD

Learning Objectives:
Following this course, the attendee should be able to:

  • Describe the principles of comparative genomic hybridization and fluorescence in situ hybridization for diagnosis of melanocytic lesions
  • Discuss the indications, sensitivity and specificity of the tests
  • Recognize pitfalls in the performance and utilization of FISH and CGH

Description:
The session will review the use of modern ancillary tests for improved accuracy of the diagnosis of melanocytic proliferations. The principles and clinical applications of cytogenetic studies (fluorescence in situ hybridization, array comparative genomic hybridization), immunohistochemical tests and mutational analysis as relevant for the diagnosis of melanocytic lesions will be discussed. Test indications and current data on sensitivity and specificity will be presented with emphasis on the need for clinical and pathologic correlation. Pearls and pitfalls will be illustrated on individual cases, addressing issues such as the diagnosis of spitzoid melanoma, blue nevus-like melanoma, nevoid and desmoplastic melanoma.

Schedule:

Friday, March 21
10:00 AMCGH for the diagnosis of melanocytic tumors / Dr. Yeh
10:30 AMFISH for the diagnosis of melanocytic tumors / Dr. Gerami
11:00 AMCytogenetic Analysis of Problematic Melanocytic Tumors - the UCSF Experience / Dr. McCalmont
11:30 AMAncillary Tests for the Diagnosis of Melanocytic Tumors - the MSKCC Experience / Dr. Busam