Showing posts with label bone. Show all posts
Showing posts with label bone. Show all posts

Wednesday, 4 May 2016

SOLITARY LYTIC BONE LESIONS - DIFFERENTIAL DIAGNOSIS ACRONYM

This one is from the multitude of notes I have made through the years. From an era, where we did not necessarily note  the source of everything for future citation. While, I do not know the source for the anagram, I would love to add it if anyone can help.

Just 8 hours later and actually found a source of the information, seems more recent than I remember . Still it is a  source, thanks to Google ...http://rad.washington.edu/about-us/academic-sections/musculoskeletal-radiology/teaching-materials/online-musculoskeletal-radiology-book/lucent-lesions-of-bone/


Solitary lytic bone lesions DDx



Thursday, 24 September 2015

FIBRO-OSSEOUS LESION IN THE WALL OF AN ODONTOGENIC TUMOR

Whole Slide Scan of AOT and FCOD Lesion
Creative Commons License
AOT - FCOD by Mandana Donoghue is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Based on a work at www.orapath.in.


Case Presentation of Concomitant and Contiguous Adenomatoid Odontogenic Tumor and Focal Cemento-Ossifying Dysplasia

Gita Rezvani1, Mandana Donoghue2,*, Peter A. Reichart3 and Neda Pazuhi4


"The complex embryonic derivation of the maxillofacial structures causes a widerange of pathologies, particularly in the tooth-bearing areas of the jaws. The development of simultaneous lesions of differing cellular origin, has so far, not been reported in the English literature.".



Abstract: A 24 year-old male was presented for the diagnosis of an asymptomatic bony expansion in relation to the right maxillary canine and first premolar. The unilocular radiolucent lesion with central foci of calcification had caused divergence of canine and first premolar roots without any resorption. This case report details a diagnosis of two distinct disease processes of different cellular origin namely, focal cemento-ossifying dysplasia and adenomatoid odontogenic tumor in a previously unreported concomitant and contiguous relationship. The diagnosis was determined by a combination of clinical, radiographic, histopathological and surgical evidence. This case highlights two points, first the need to examine all mixed radiolucent-radiopaque lesions with advanced imaging techniques to assess the number and extent of the lesions prior to treatment planning. Second a likely role of periodontal ligament as the tissue source for odontogenic epithelial cells and mesenchymal stem cells required for the development of odontogenic tumors and cemento-osseous dysplasias.


Go to Article - Free access


Friday, 12 June 2015

ORAL HISTOLOGY - PERIODONTAL LIGAMENT

PERIODONTAL LIGAMENT- OBLIQUE FIBERS 

PERIODONTAL LIGAMENT 
D- Dentin

CC- Cellular Cementum

PDL- Periodontal Ligament ( oblique group of  fibers shown here)

AB- Alveolar Bone 

ABC- Alveolar Bone Canal 

BV- Blood Vessel