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[Merkel cell tumor. A clinical case]

M Milani1, I Vinciguerra, A Mautone

  • 1Divisione di Chirurgia Generale, Clinica San Marco, Ascoli Piceno.

Minerva Gastroenterologica E Dietologica
|September 1, 1995
PubMed
Summary

Merkel cell carcinoma, a rare neuroendocrine tumor, can present as a significant axillary mass with widespread metastasis. Early suspicion is crucial for timely diagnosis and management of this aggressive neoplasm.

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Area of Science:

  • Oncology
  • Pathology
  • Neurosurgery

Background:

  • Merkel cell carcinoma (MCC) is a rare, aggressive neuroendocrine skin cancer.
  • It originates from the apudoma group but lacks biogenic amine and hormone polypeptide production.
  • Distinguishing MCC from other tumors is critical due to its unique characteristics and behavior.

Observation:

  • The authors present a rare case of MCC with a large left axillary mass.
  • The tumor exhibited extensive metastasis at initial presentation, including to the liver and adrenal glands.
  • This highlights the advanced stage at which MCC can be diagnosed.

Findings:

  • Merkel cell carcinoma cells, while neuroendocrine, differ from typical apudomas.
  • The presented case demonstrates rapid and widespread dissemination.

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  • The clinical presentation included a significant neoformation under the left axilla.

    • Implications:

    • Increased awareness and suspicion of Merkel cell carcinoma are necessary for accurate diagnosis.
    • Early detection of metastasis is vital for effective treatment planning.
    • This case underscores the importance of considering rare neoplasms in differential diagnoses of suspicious tumors.