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Digging into uncertainty: a case report on Spitz lesions.

Eva Klara Merzel Šabović^1,2, Dragan Jejinić¹, Andreja Pagon¹

¹Department of Dermatology, Ljubljana University Medical Center, Ljubljana, Slovenia.

Acta Dermatovenerologica Alpina, Pannonica, Et Adriatica

|January 12, 2024

Summary

Atypical Spitz tumors are challenging melanocytic lesions that can mimic melanoma. Recognizing specific features, like BRAF fusions, can indicate a more aggressive potential, aiding diagnosis and management.

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Area of Science:

Dermatopathology
Oncology
Melanocytic Lesions

Background:

Spitz lesions encompass a spectrum from benign Spitz nevi to malignant Spitz melanomas.
Atypical Spitz tumors are intermediate lesions posing diagnostic challenges due to melanoma mimicry.
Current management and treatment recommendations for atypical Spitz tumors remain undefined.

Observation:

This case report details a young patient diagnosed with a high-grade atypical Spitz tumor.
The diagnostic process and subsequent management strategies are presented.
Potential diagnostic pitfalls that may indicate aggressive behavior are reviewed.

Findings:

High-grade atypical Spitz tumors can closely resemble melanoma.
Certain molecular alterations, such as specific BRAF fusions, may signal a more aggressive clinical course.

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Accurate pathological assessment is crucial for distinguishing between Spitz nevi, atypical Spitz tumors, and Spitz melanomas.

Implications:

Early identification of aggressive features in atypical Spitz tumors is vital for appropriate patient management.
Further research into the molecular drivers of Spitz tumor progression is warranted.
Clinicians should be aware of potential diagnostic pitfalls and consider molecular testing when indicated.