Case Report

Extraosseous Osteosarcoma of the Esophagus: A Case Report

Figure 2

Pathology slide. (a) Tumor cells from the esophageal mass shown to be negative for pankeratin, with presence of actin being equivocal. (b) The submucosa of the esophagus contains mitotically active spindle cells and pleomorphic spindle cells with eosinophilic cytoplasm and focal areas containing eosinophilic stromal hyaline-like material, likely osteoid.
907127.fig.002a
(a)
907127.fig.002b
(b)