Christmas Tree Pattern Lesion
Pityriasis rosea is a rash that can appear anywhere on your body, especially your trunk, arms and legs. Antihistamines and hydrocortisone creams can reduce itching. Pityriasis rosea is a self-limiting rash, which resolves in about 6-10 weeks.
It is characterised by an initial large "herald patch" followed by smaller patches resembling a christmas tree. The disseminated, round. Christmas tree rash, or pityriasis rosea, is an oval-shaped skin patch that can appear on different parts of your body.
Other papulosquamous disorders
Here's how to identify it and what to do if you have it. Pattern analysis of skin lesions is an art and a key competence of every dermatologist. Three major line patterns cover the human body-the dermatomes or Head zones, the nevoid lines of Blaschko, and the relaxed skin tension lines, or Langer lines.
Head zones represent skin areas innervated from the. Pityriasis rosea is often recognized by a distinctive "herald patch"-a single, round or oval lesion that appears on the chest, back, or neck. A few days to two weeks later, more smaller lesions appear, creating a characteristic "Christmas tree" pattern along the skin.
Christmas Tree Rash Pityriasis Rosea at Dane Wallace blog
What Causes Pityriasis Rosea? CLINICAL CHALLENGE The ''Christmas tree'' orientation of scaling lesions along the skin tension (Langer) lines in pityriasis rosea is well known. This pattern is best appreciated on complete examination of the trunk, in which the eruption follows the long axis of the V-shaped lines of the upper chest and back, emanating around the axillae, and running transversely along the abdominal. "The rash usually begins with a single 'herald patch' skin lesion which is then followed by a general body rash after one to two weeks," says Dr.
Kellie Reed, board-certified Dermatologist at Sanova Dermatology. The rash has a unique pattern on the skin, affecting the skin folds and often described as resembling a Christmas tree. When multiple, oval-shaped skin lesions are distributed along Langer's lines on the thoracodorsal region or upper back, a Christmas tree-like distribution results, and the term "Christmas tree pattern" is used in daily clinical practice [1, 2].
