Idiopathic Sterile Granuloma and Pyogranuloma
This disease can look identical to infectious diseases (bacterial, fungal), reactions to foreign material (example: foxtail), or some types of cancer.
Weimaraner
Mast Cell Tumors
Mast cell tumors are a malignant tumor that originate in the dermal layer of the skin. These tumors can arise from any area of the body, and may have a variety of appearances.