Histological section of a tissue specimen from a mediastinal lymph node (extraction of tissue via endobronchial ultrasound-guided transbronchial needle aspiration, EBUS-TBNA);
Depiction of typical epitheloid cell granuloma, hematoxy-eosin-stain
Source: Dr. Lars Hagmeyer, Prof. Winfried Randerath, Krankenhaus Bethanien, Solingen