UDH


Expand All | Collapse All

  • Names

    • Usual ductal hyperplasia
    • UDH

  • Histology

    • streaming / jumbled cells
    • slits / clefting (not clean punched out spaces)
    • nuclear features
      • overlapping nuclei
      • small, oval, polymorphic nuclei
      • benign looking
    • no mitosis

  • Ddx

    • ADH
    • spindle variant of DCIS

  • Stains

    • CK5/6+ (vs negative in DCIS)
    		•