case_images: PMC3938378_01
case_images: A - Multilobular violaceous nodule in the left retroauricular region;
  B - erythematous papules and nodules on the scalp, with
  telangiectasias (turban aspect); C - normochromic papules on eyelids;
  nodule with a pearlaceous border and telangiectasias in the left nasal region;
  normochromic papule in the left nasogenian groove; D - normochromic
  papules on the back
case_images: abd-89-01-0175-g01.jpg
case_images: PMC3938378_01_abd-89-01-0175-g01.jpg
case_images: f01
case_images: A: Cylindroma (HE 40x): base cell tumour arranged in islands in the
  dermis, some with sudoriparous ducts; 2B: Cylindroma (HE 400x):
  hyalinised cylinders surrounding each tumour island. 2C:
  Trichoepithelioma (HE 40x): islands of well demarcated basaloid tumour cells and
  some horn cysts; 2D: Trichoepithelioma (HE 100x): peripheral
  distribution nucleus palisades, without retraction artefact or loose stroma
case_images: abd-89-01-0175-g02.jpg
case_images: PMC3938378_01_abd-89-01-0175-g02.jpg
case_images: f02
case_images: Trichoblastoma (HE 100x): Dermal proliferation of basaloid cells without atypical
  fibrotic stroma
case_images: abd-89-01-0175-g03.jpg
case_images: PMC3938378_01_abd-89-01-0175-g03.jpg
case_images: f03