Pulmonary Langerhans cell histiocytosis and multiple system involvement: A case report

Figure 1 Lung computed tomography showing multiple lung lesions, multiple small nodules with blurred boundaries in both lungs, and cystic changes.

Figure 2 Pathological and immunohistochemistry findings. A: Lung tissue showing Langerhans infiltrated tissue (magnification: 100 ×); B: Image showing eosinophils with the nucleus stained blue and Langerhans cells (magnification: 200 ×); C: Langerhans cells (magnification: 400 ×); D: Specific immunohistochemical staining for CD1a (+); E: Specific immunohistochemical staining for CD68 (±); F: Specific immunohistochemical staining for S-100 (+); G: Specific immunohistochemical staining for CD163 (-).

Figure 3 Pituitary magnetic resonance imaging showing vacuolar sella, thinned pituitary stalk, and bilateral maxillary sinus cyst.