| Inflammatory presentations may be the result of allergy, reflux disease or, rarely, neoplasm or Kawasaki disease. |
| Although the neoplasm contained numerous capillary-sized vessels, clefted spaces and villiform structures were not apparent. |
| The differential diagnoses for a cystic lesion in the thyroid region include TDCs and cystic degeneration in neoplasm or goiter. |
| Histopathology revealed a malignant neoplasm with areas of astrocytic and primitive neuroectodermal components. |
| Giant cell tumor of bone is a rare neoplasm usually seen in the long bones or sacrum. |
| The differential diagnosis of a cavitary lung lesion includes neoplasm, infection, and septic embolus. |
