Bizarre parosteal osteochondromatous proliferation of bone

1998 ◽  
Vol 27 (3) ◽  
pp. 154-156 ◽  
Author(s):  
S. Bandiera ◽  
P. Bacchini ◽  
F. Bertoni
2018 ◽  
Vol 8 (1) ◽  
pp. 1323-1325
Author(s):  
Laila Mohamed Ilias ◽  
Babitha Alingal Mohammed ◽  
Roshini PS ◽  
Anupama Ponniah ◽  
Poornima Vijayan

Bizzare parosteal osteochondromatous proliferation, or Nora‘s lesion is a unique bone lesion that most often arises in the small bones of hands and feet.  It is characterised by proliferation of chondroid, bony and fibrous tissue, and is occasionally misdiagnosed as a malignant process.  Our case was a 31 yr old lady, who presented with a painless swelling near the 5th metacarpal bone of right hand.  X-ray showed well marginated mineralised mass arising from the cortical surface of the metacarpal bone.  Histopathological examination revealed bizarre parosteal osteochondromatous proliferation composed of varying amounts of cartilage, bone and spindle cells. Cartilage was hypercellular and chondrocytes were enlarged. Ossification was irregular and had a peculiar blue tinctorial quality. 


1990 ◽  
Vol 25 (2) ◽  
pp. 602
Author(s):  
Yung Khee Chung ◽  
Jung Han Yoo ◽  
Dong Hyeon Lee

2021 ◽  
Vol 69 ◽  
pp. 233-237
Author(s):  
Eleby Washington ◽  
Lawrence Menendez ◽  
Alexander Fedenko ◽  
Anderanik Tomasian

2005 ◽  
Vol 447 (1) ◽  
pp. 99-102 ◽  
Author(s):  
Makoto Endo ◽  
Tadashi Hasegawa ◽  
Takashi Tashiro ◽  
Umio Yamaguchi ◽  
Yuki Morimoto ◽  
...  

2000 ◽  
Vol 21 (5) ◽  
pp. 408-412 ◽  
Author(s):  
J.A. Harty ◽  
P. Kelly ◽  
D. Niall ◽  
J.C. O'Keane ◽  
M.M. Stephens

We report the a case of Nora's lesion (Bizarre Parosteal Osteochondromatous Proliferation) of the sesamoid. A 32-year-old woman presented with a painless, enlarging mass of two years duration on the plantar aspect of the first metatarsophalangeal joint of the left foot. Radiographs, Computerized Tomographs and Magnetic Resonance images, initially suggested a parosteal osteosarcoma arising from the tibial sesamoid. The mass was excised, and a histological diagnosis of Bizarre Parosteal Osteochondromatous Proliferation of bone (Nora's lesion) was made. The aggressive growth of this lesion may suggest a neoplasm clinically. Histological features, however, are those of a reactive lesion.


2019 ◽  
Vol 27 (1) ◽  
pp. 230949901982851 ◽  
Author(s):  
Shinsuke Takeda ◽  
Akinobu Nishimura ◽  
Shigeto Nakazora ◽  
Akihiro Sudo ◽  
Hitoshi Hirata ◽  
...  

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