1. A case report of a functioning mediastinal parathyroid cyst with no 99mTc-MIBI uptake 
Naotaka Uchida, Manabu Yoshida, Yasuki Matsui, Takeshi Notsu 
International Journal of Surgery Open  
Volume 12, Pages 5-8 (January 2018)
DOI: /j.ijso
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2. Fig. 1
Enhanced computed tomography scan. (A) Horizontal plane and (B) Coronal plane. Arrow indicates the cystic lesion that extended from the lower end of the right thyroid lobe to the mediastinum.
International Journal of Surgery Open   , 5-8DOI: ( /j.ijso )
Copyright © 2018 The Authors Terms and Conditions

3. Fig. 2
99mTc-MIBI scan. No significant uptake in the mediastinal mass was observed in either the early phase (A) or the delayed phase (B). 99mTc-MIBI SPECT images showed no corresponding focus of radiotracer retention in the mediastinal mass in either the early phase (C) or delayed phase (D).
International Journal of Surgery Open   , 5-8DOI: ( /j.ijso )
Copyright © 2018 The Authors Terms and Conditions

4. Fig. 3
(A) Resected specimen of mediastinal mass showed cyst. (B) (C) Histopathological findings of mediastinal mass. There were proliferation of small uniform cells on the inside of fibrous capsule. (Hematoxylin and eosin stain, ×10 (B), ×40 (C)). (D) PTH stain of mediastinal mass revealed PTH production. (×40).
International Journal of Surgery Open   , 5-8DOI: ( /j.ijso )
Copyright © 2018 The Authors Terms and Conditions