Zone Fibrosis

Question 1

Acronym for causes of upper zone fibrosis:

CHARTS

Answer 1

CHARTS
C - Coal worker’s pneumoconiosis
H - Histiocytosis/ hypersensitivity pneumonitis
A - Ankylosing spondylitis
R - Radiation
T - Tuberculosis
S - Silicosis/sarcoidosis

Question 2

Fibrosis predominately affects the lower zones

RAID

Answer 2

Rheum (RA, SLE, scleroderma)
Asbestosis
IPF
Drugs (ABC MRN - amiodarone, bleomycin, cyclophosphamide, MTX, radiotherapy, nitrofurantoin)