case_images: PMC3920391_01
case_images: Ring shaped nodule in the right middle lobe.
case_images: gr1.jpg
case_images: PMC3920391_01_gr1.jpg
case_images: fig1
case_images: A 76-year-old male, a lifelong nonsmoker with a past medical history of bronchiectasis, atypical mycobacterial infection and pulmonary aspergillosis was evaluated for a progressively enlarging nodule in the lateral segment of the right middle lobe measuring about 13 mm x 8 mm in largest dimension (Fig. 1).
case_images: Image taken at 260x showing cross section of an adult worm.
case_images: gr2.jpg
case_images: PMC3920391_01_gr2.jpg
case_images: fig2
case_images: There was an area of infarcted lung with fragments of necrotic material containing remnants of Dirofilaria immitis within this area of necrosis (Figs. 2 and 3).
case_images: Same worm at 360x demonstrating the arrangement of the internal organs.
case_images: gr3.jpg
case_images: PMC3920391_01_gr3.jpg
case_images: fig3
case_images: There was an area of infarcted lung with fragments of necrotic material containing remnants of Dirofilaria immitis within this area of necrosis (Figs. 2 and 3).