Case Report
Primary Pulmonary Anaplastic Large Cell Lymphoma: A Rare Malignancy and Rare Cause of the Luftsichel Sign
Figure 4
(a) Endobronchial polypoid mass |
(b) Large cells with pleomorphic nuclei, some with folded nuclear contours. Arrows depict so-called “clue cells” |
(c) Neoplastic cells show strong, diffuse reactivity to CD30 |
(d) Neoplastic cells showing strong reactivity to ALK-1 |