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Congress: ECR25
Poster Number: C-16827
Type: Poster: EPOS Radiologist (educational)
Authorblock: G. Apkhazava, G. Nemsadze, N. Liparteliani, I. Tortladze, G. Kurashvili, L. Nemsadze; Tbilisi/GE
Disclosures:
George Apkhazava: Nothing to disclose
Grigol Nemsadze: Nothing to disclose
Nugzar Liparteliani: Nothing to disclose
Irakli Tortladze: Nothing to disclose
Giorgi Kurashvili: Nothing to disclose
Luka Nemsadze: Nothing to disclose
Keywords: Lung, Respiratory system, CT-High Resolution, Contrast agent-intravenous, Cysts, Inflammation
Findings and procedure details

Lung RADS 1: Negative. No lung nodules OR Nodule with benign features:

Complete, central, popcorn, or concentric ring calcifications OR Fat-containing

Lung RADS 2: Benign - Based on imaging features or indolent behavior

 Juxtapleural nodule:

  • < 10 mm (524 mm3) mean diameter at baseline or new.
  • Solid; smooth margins; and oval, lentiform, or triangular shape

Solid nodule:

  • < 6 mm (< 113 mm3) at baseline OR
  • New < 4 mm (< 34 mm3)

Part solid nodule:

< 6 mm total mean diameter (< 113 mm ) at baseline.

Lung RADS 3: Probably Benign - Based on imaging features or behavior

  • Solid nodule:
  • ≥ 6 to < 8 mm (≥ 113 to < 268 mm3) at baseline OR new 4 mm to < 6 mm (34 to < 113 mm3).

Part solid nodule:

  • ≥ 6 mm total mean diameter (≥ 113 mm3) with solid component < 6 mm (< 113 mm3) at baseline OR new < 6 mm total mean diameter (< 113 mm3)

Non solid nodule (GGN):

≥ 30 mm (≥ 14,137 mm ) at baseline or new.

Atypical pulmonary cyst: 

  • Growing cystic component (mean diameter) of a thick-walled cyst

Lung RADS 4A: Suspicious

Solid nodule:

  • ≥ 8 to < 15 mm (≥ 268 to < 1,767 mm3) at baseline OR
  • Growing < 8 mm (< 268 mm3) OR new 6 to < 8 mm (113 to < 268 mm3).

Part solid nodule:

  • ≥ 6 mm total mean diameter (≥ 113 mm3) with solid component ≥ 6 mm to < 8 mm (≥ 113 to < 268 mm3) at baseline OR new or growing< 4 mm (< 34 mm3) solid component.

Airway nodule, segmental or more proximal - at baseline.

Atypical pulmonary cyst:

  • Thick-walled cyst OR
  • Multilocular cyst at baseline OR Thin- or thick-walled cyst that becomes multilocular

Lung RADS 4B: Very Suspicious

Airway nodule, segmental or more proximal - stable or growing.

Solid nodule:

  • ≥ 15 mm (≥ 1767 mm3) at baseline OR new or growing≥ 8 mm (≥ 268 mm3)

Part solid nodule:

  • Solid component≥ 8 mm (≥ 268 mm3) at baseline OR new or growing≥ 4 mm (≥ 34 mm ) solid component

Atypical pulmonary cyst: 

  • Thick-walled cyst with growing wall thickness/nodularity OR
  • Growing multilocular cyst (mean diameter) OR Multilocular cyst with increased loculation or new/increased opacity (nodular, ground glass, or consolidation)

 
GALLERY