1. Pneumothorax as the Initial Manifestation of Idiopathic Hypereosinophilic Syndrome 
Yu-Bing Wang, MD, Ya-Juan Han, MD, Kenzo Uchida, MD, PhD, Bing-Cheng Zhao, Ke-Bing Chen, MD, PhD, Wei-Ying Ma, MD, Feng- Jiao Xie, Tie-Lian Liu, MD, Li-Xi Zhang, MD 
The Annals of Thoracic Surgery 
Volume 98, Issue 5, Pages (November 2014)
DOI: /j.athoracsur
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
(A) Chest plain X-ray film on admission showed left pneumothorax. (B) High-resolution computed tomography scan showed focal opacity in the left lower lobe and bilateral pleural effusions.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
(A) Histopathologic examination of a biopsy taken from one skin lesion on the chest wall. Marked infiltration of eosinophils was seen in the fibroadipose tissue (hematoxylin-eosin, original magnification ×100). (B) Enlargement of boxed area in A; the fibroadipose tissue was edematous and contained eosinophilic infiltration, but no granuloma formation or signs of vasculitis (hematoxylin-eosin, original magnification ×400). (C) The bone marrow biopsy demonstrated increased proportion of eosinophils (arrowheads). The dark blue cells are lymphocytes or nucleated erythrocytes (hematoxylin-eosin, original magnification ×400).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
Chest radiograph showed dramatic improvement after corticosteroid therapy.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions