Spiradenoma

Adnexal tumor with eccrine differentiation

Tumor located in the dermis without connection to the epidermis

Well-circumscribed nodule composed of basaloid cells

Spiradenoma

LEGEND

  • Tumor located in the dermis without connection to the epidermis

Spiradenoma

LEGEND

  • Well-circumscribed tumor surrounded by a connective tissue capsule

Spiradenoma

LEGEND

  • Collection of basaloid cells within a hyaline stroma
  • Presence of sweat gland lumina

Spiradenoma

LEGEND

  • Multiple sweat gland lumina

Spiradenoma

LEGEND

  • Stroma often vascular

    Numerous blood vessels within the tumor nodule