case_images: PMC5714067_01
case_images: Posterioanterior and lateral chest radiographs, demonstrating well-circumscribed right hilar tumour. At chest CT, more detailed view of contrast-enhancing tumour in the right interlobar fissure can be seen.
case_images: 10.1177_2050313X17744481-fig1.jpg
case_images: PMC5714067_01_10.1177_2050313X17744481-fig1.jpg
case_images: fig1-2050313X17744481
case_images: A 22-year-old woman, asymptomatic, non-smoker, without history of any chronic illness (including tuberculosis) was admitted to thoracic surgery department due to incidental discovery of right parahilar tumour on prophylactic chest radiograph (Figure 1). Chest CT scan demonstrated well-circumscribed, contrast-enhancing tumour in the right horizontal fissure, tightly adherent to branches of pulmonary artery and upper pulmonary vein (Figure 1).
case_images: Histopathological features of CD - hyaline vascular type lymphoid follicle (H&E, 100x) which contains (a) onion-skinned mantle zone and (b) interfollicular lymphohistiocytic cells.
case_images: 10.1177_2050313X17744481-fig2.jpg
case_images: PMC5714067_01_10.1177_2050313X17744481-fig2.jpg
case_images: fig2-2050313X17744481
case_images: A pathological examination revealed a 2.5 x 2.5 x 2 cm3 tumour with bright-rose colouration, morphologically consistent with hyaline vascular type of CD without any evidence of malignant transformation (Figure 2).