19 March 2025
: Case report 
Bilateral Knee Synovial Chondromatosis in a 2-Year-Old Girl: First Reported Case and Literature Review
Challenging differential diagnosis, Rare disease
Ana Paula Fernandes Barbosa ABDE 1,2, Paulyana Fernandes Barbosa Quintino ABDE 1,3, Hermann Fernandes Motta Camara BEF 4, Pedro Henrique Laurindo dos Anjos BEF 4, Arthur Castro Guimaraes
BEF 4, Eloisio Barbosa Lopes Neto ABDF 5, Maria Eugenia Leite Duarte ADEF 6*
DOI: 10.12659/AJCR.945921
Am J Case Rep 2025; 26:e945921
Figure 4. Microscopic examination of the retrieved loose bodies from the left knee. (A) Clusters of small chondrocytes, irregularly arranged, are present in the central area of the nodule. (B) Hypercellular cartilage showing nuclear crowding and early signs of endochondral ossification. H&E staining.