Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A–D) Ultrastructural features of a Paraganglioma (PGL) (Case No 2) exhibiting polygonal and spindle cells packed with cystic-looking mitochondria (*) without cristae and with intra-mitochondrial membranous inclusions. The cell surfaces are smooth. (E–F) Lung chondroma, majority of mitochondria are devoid of cristae (*). Presence of leaky chromatin in the chondroma (E, arrow).
