A 19-year-old male was admitted complaining of symptoms consistent with intermittent pain located at the level of the left hemothorax accompanied by cough and fever for a month.
In the general laboratory tests performed only leukocyte count was 16.500 x 109/l and a VSG of 24 mm in 1h. Additional tests including microbiological tests were negative.
The chest X-ray showed a mass with irregular edges that blurred the contour of the left pulmonary hilium. After chest CT, the existence of an anterior mediastinum mass with a narrower diameter x 10 cm was confirmed.
The biopsy obtained by videothoracoscopy of the mass showed that it was constituted by a proliferation of Langerhans cells with abundant eosinophils, the histochemical stains performed showed positivity for S-100 and CD1a compatible with these findings.
After receiving 2 lines of chemotherapy and without obtaining an evident response, it was necessary to start radiotherapy, finding during it the appearance of an adenopathy in supraclavicular location, which after observing peripheral hematogenous cable remission and complete non-Hodgkin's disease.
