THE PATHOLOGY OF MELANOMAAN INTERNATIONAL COURSE

Program

April 16, 2026

08:15 am Introduction // Raymond Barnhill (Paris, France)
08:20 am Criteria for melanocytic lesions: An introduction // Raymond Barnhill(Paris, France)
08:50 am Immunohistochemistry for pathologists // Klaus Busam(New York, USA)
09:20 am Molecular diagnostics for pathologists // Boris Bastian(San Francisco, USA)

10:00 am Coffee Break

10:30 am MPath Classification // Raymond Barnhill(Paris, France)
10:50 am AJCC 8th edition guidelines and prognostic factors // David Elder (Philadelphia, USA)
11:10 am Sentinel lymph nodes and metastatic melanoma // Lyn Duncan(Boston, USA)
11:30 am Treatment recommandations for melanocytic lesions // David Elder (Philadelphia, USA)

12:00 pm Lunch

01:00 pm Subtypes of dysplastic nevi and other new developments // Boris Bastian(San Francisco, USA)
01:30 pm Lentigo maligna melanoma /
/ Klaus Busam (New York, USA)
01:50 pm Ocular conjunctival and uveal melanocytic lesions: Clinical aspects /
/ Alexandre Matet, Denis Malaise(Paris, France)
02:10 pm Conjunctival melanocytic lesions: Pathological aspects /
/ Ian Cree (London, UK)
02:25 pm Uveal melanoma: Pathological aspects /
/ Raymond Barnhill(Paris, France)
02:40 pm Dermal-based melanocytic and related tumors /
/ Arnaud De La Fouchardière (Lyon, France)

03:00 pm Coffee Break

03:30 pm Case Presentations
05:30 pm End of the day

April 17, 2026

08:10 am Acquired melanocytic nevi // David Elder (Philadelphia, USA)
08:40 am Spitz nevus, atypical Spitz tumor, Spitz melanoma // Raymond Barnhill(Paris, France)
09:10 am Blue nevus and melanoma arising in blue nevus // Arnaud De La Fouchardière(Lyon, France)
09:40 am Site-specific nevi (including scalp, breast and milk-line, flexural, perianal) // David Elder (Philadelphia, USA)

10:00 am Coffee Break

10:30 am Combined melanocytic nevi: BAP1, deep penetrating, pigmented epithelioid melanocytoma,// Arnaud De La Fouchardière(Lyon, France)
11:00 am Pediatric melanocytic lesions // Raymond Barnhill(Paris, France)
11:20 am Acral melanocytic nevi and melanoma // Boris Bastian(San Francisco, USA)
11:50 am Melanoma of unknown primary (including undifferentiated forms) // Lyn Duncan(Boston, USA)

12:10 pm Lunch

01:10pm Nevoid melanoma // Klaus Busam(New York, USA)
01:30pm Desmoplastic nevi and desmoplastic melanoma /
/ Klaus Busam (New York, USA)
01:50pm Oral and genital melanocytic lesions /
/ Ian Cree(London, UK)
02:10pm Mucosal melanomas (including sinonasal, anorectal, and genitourinary) /
/ Lyn Duncan(Boston, USA)
02:30pm
Gene expression profiling in melanocytic lesions: an update // Matthew Goldberg (Rexas, USA)

03:00 pm Coffee Break

03:30 pm Case Presentations Continued
05:30 pm Adjournment