Atypical pneumonia: mycoplasma
History of dry cough for 2 weeks in a non smoker patient.
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Pulmonary aeration is significantly increased bilaterally. There is marked bronchial wall thickening on the right and left in the peri-hilar zone extending to the lung base in keeping with inflammatory lower airways disease.There are non- segmental patchy lung opacities in the lower lobes bilaterally (right lower lobe posterior basal segment; left lower lobe anterior basal segment; right middle lobe medial segment). There is also increased interstitial markings with lower zone predominance.
The chest radiograph shows patchy non-segmental opacities bilaterally suggestive of atypical pneumonia. Given the patient's age and radiographic manifestation, chlamydia and mycoplasma are the likely causative organisms. Viral and fungal pathogens may also create the radiological and clinical picture of an atypical pneumonia.
The nasal swab DNA PCR was positive for mycoplasma pneumoniae in this patient which correlated with the imaging findings.