Guide. A parathyroid hormone (PTH) blood test measures the level of parathyroid hormone in the blood. This test is used to help identify hyperparathyroidism, to find the cause of abnormal calcium levels, or to check the status of chronic kidney disease.
Pleva skin disorder. red spots which may develop into blisters or open sores.These will heal on their own in some weeks and recur again also, possibly. Pityriasis lichenoides is the name given to an uncommon rash of unknown cause. Its mild form is known as pityriasis lichenoides chronica (PLC).leva skin disorder. red spots which may develop into blisters or open sores.These will heal on their own in some weeks and recur again also, possibly. Pityriasis lichenoides is the name given to an uncommon rash of unknown cause. Its mild form is known as pityriasis lichenoides chronica (PLC).
People with acne frequently have a variety of lesions, some of which are shown in the illustrations below. The basic acne lesion, called the comedo (KOM-e-do), is simply an enlarged and plugged hair follicle. If the comedo stays beneath the skin, it is called a closed comedo and produces a white bump called a whitehead.ther troublesome acne lesions can develop, including the following: 1  Papules. 2  Inflamed lesions that usually appear as small, pink bumps on the skin and can be tender to the touch. 3  Pustules (pimples). 4  Papules topped by white or yellow pus-filled lesions that may be red at the base. 5  Nodules.