Erythema Nodosum: Inflammation of the Fat Layer Beneath the Skin
Panniculitis refers to the inflammation of the fat layer that lies beneath the skin. While there can be various causes for this condition, one specific type is known as erythema nodosum. Physicians identify this condition when panniculitis leads to the development of red or violet bumps under the skin. Although these bumps typically appear over the shins, they can also manifest on the arms or other parts of the body. Streptococcal infection, sarcoidosis, or inflammatory bowel disease are the most frequent causes of erythema nodosum. Treating this condition involves elevating the affected limb and applying cold compresses. Additionally, nonsteroidal anti-inflammatory drugs can be used to alleviate pain and reduce swelling.
Erythema Induratum: A Unique Form of Panniculitis
Erythema induratum is a specific type of panniculitis that primarily affects the calves. Although it shares similarities with erythema nodosum, this condition is distinct and warrants separate consideration. Individuals with erythema induratum often have excess subcutaneous fat, thick ankles, or compromised arterial blood supply.
Historically, erythema induratum and nodular vasculitis were believed to be the same disease. However, modern medical literature now distinguishes between the two. Both conditions can cause the development of painful nodules that may lead to scarring. With appropriate treatment, the prognosis for individuals with erythema induratum is generally positive, offering hope for relief and improvement.