Cryptogenic Organizing Pneumonia with a Rare Radiographic Presentation of a Diffuse Micronodular Pattern Mimicking Miliary Lung Infiltration: A Case Report and Review of the Literature

Table 1

Summary of previous case reports of cryptogenic organizing pneumonia with imaging presentation of diffuse micronodular pattern.

First author, year	Gender, Age (years)	Presenting symptoms	Duration	Smoking history	Comorbidity	Pulmonary exam findings	Hypoxemia/hypoxia at presentation	Micronodule pattern	Initial treatment	Diagnostic procedure
Bots, 2012	Male, 19	Cough, dyspnea	N/A	N/A	N/A	N/A	N/A	Centrilobular	Moxifloxacin	OLB
Ko, 2009	Female, 49	Cough, dyspnea, fever	1 day	None	AML	Tachypnea, diffuse crackles	No	Nonspecific	Broad-spectrum antibiotic	VATS
Langen, 2007	Female, 28	Cough, dyspnea, fever	1 week	None	None	N/A	Yes	Centrilobular	Quadruple therapy for TB	OLB
Lebargy, 2017	Male, 38	Cough, dyspnea, fever	8 days	Current	None	WNL except tachypnea	Yes	Centrilobular	N/A	VATS
Turner, 2003	Male, 47	Cough, dyspnea, fever	8 days	None	None	Tachypnea, diffuse crackles	Yes	Centrilobular	Broad-spectrum antibiotic with prednisone	TBB
Our case	Male, 66	Cough, dyspnea	2 weeks	Former	Diabetes mellitus, hyperlipidemia	Tachypnea, diffuse crackles	Yes	Centrilobular	Ceftriaxone and azithromycin	VATS

AML: Acute myeloid leukemia, N/A: not applicable, OLB: open lung biopsy, TB: tuberculosis, TBB: transbronchial biopsy, VATS: video-assisted thoracic surgery, WNL: within normal limit.