CT - Thx patterns for pulmonary nodule

  • laminated = granuloma

  • popcorn = hamartoma

    • eggshell = silicosis

  • stippled = malignancy

  • eccentric = malignancy

    • smooth = likely benign

  • scalloped = malignancy

  • irregular = malignancy

  • corona radiata = malignancy

    • air-bronchus sign = bronchoalveolar ca, pneumona.