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).
Summary. Lichen planopilaris (LPP) is a rare cutaneous variant of lichen planus (see this term) which affects hair follicles. It may occur on its own or in association with more common forms of lichen planus, usually classical type and/or oral lichen planus.The prevalence is unknown.LPP is more frequent in women than in men. The disease manifests in adulthood (40-60 years of age), with some rare cases in childhood.t may occur on its own or in association with more common forms of lichen planus, usually classical type and/or oral lichen planus. The prevalence is unknown. LPP is more frequent in women than in men.