Table 1 Summary of reported cases of Reversed Halo Sign

Bronchiolitis obliterans organizing pneumonia

2

[6]

Sarcoidosis

1

[8]

Cryptogenic organizing pneumonia

6/31 (19%)

[5]

Paracoccidioidomycosis

15/148 (10%)

[10]

Cryptogenic organizing pneumonia

2/34 (5.9%)

[7]

Secondary organizing pneumonia (of 1 breast cancer and 1 rheumatoid arthritis patient)

2/34 (5.9%)

[7]

Paracoccidioidomycosis

15/77 (19%)

[13]

Lymphomatoid granulomatosis

1

[14]

Tuberculosis

1

[15]

Lipoid pneumonia

1

[16]

Wegener's granulomatosis

1

[17]

Zygomycosis

7/37 (19%)

[9]

Invasive pulmonary aspergillosis

1/132 (<0.7%)

[9]

Sarcoidosis

1

[18]

Sarcoidosis

1

[19]

Tuberculosis

1

[20]

Cryptogenic organizing pneumonia

1

[21]

Pneumocystis pneumonia

1

present