<unk>  occurs primarily in the breast and pancreas. Breast lesions are mostly caused by adipose tissue trauma or post-surgical complications (e.g. hypoxia). Pancreatic lesions arise as a result of the pathological release of pancreatic enzymes which digest surrounding adipose tissue.<unk>  is also a feature of some diseases that cause inflammation of subcutaneous<unk>  (panniculitis). Examples of causes include but are not limited to: * Breast trauma (e.g. seat belt injury from a car accident) * Breast surgery *Fine needle aspiration biopsy and cytology (FNAB, FNAC) *Radiotherapy * Lumpectomy * Reduction mammoplasty *Breast reconstruction * Pancreatic disease * Acute pancreatitis * Pancreatic cancer * Pancreatic injury * Some forms of panniculitis * Subcutaneous<unk>  of the newborn * Weber–Christian disease * Polyarteritis nodosa
Fat necrosis
Liquefactive necrosis
Caseous necrosis
Coagulative necrosis
Infibulation
Fibrinoid necrosis
Pulp necrosis
Fibrosis