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Sebaceous tumours: more than skin deep
  1. Finja Jockenhöfer1,2,
  2. Tobias T Schimming1,2,
  3. Jörg Schaller3,
  4. Jürgen Moege4,
  5. Elisabeth Livingstone1,2,
  6. Katrin A Salva1,2,
  7. Lisa Zimmer1,2,
  8. Dirk Schadendorf1,2,
  9. Alexander Rösch1,2
  1. 1 Department of Dermatology Venerology and Allergology, University Hospital Essen, Essen, Germany
  2. 2 Deutsches Konsortium für Translationale Krebsforschung (DKTK), University Hospital Essen, Essen, Germany
  3. 3 Clinic for Dermatology and Allergology, HELIOS St Johannes Clinic, Duisburg, Germany
  4. 4 Pathology, Marienhospital Bottrop, Germany
  1. Correspondence to Professor Alexander Rösch, Department of Dermatology Venerology and Allergology, University Hospital Essen, Essen 45122, Germany; alexander.roesch{at}

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Clinical presentation

A 77-year-old man presented to our skin cancer centre with various cutaneous tumours occurring in 2006–2017. Histopathology showed a ‘hidradenocarcinoma’ on the left upper back (2006) and a sebaceous adenoma (figure 1) on the left shoulder (2011). In 2017, he developed a sebaceous carcinoma on the middle upper back, which manifested as a slowly enlarging, asymptomatic nodule. Medical history was significant for curative resection of colorectal cancer in 1988.

Figure 1

Clinical appearance of the sebaceous adenoma on the patient’s left shoulder in 2011.

The most recent lesion was subjected to extensive immunohistochemical assessment. The neoplastic cells were positive …

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