Christmas Tree Pattern Dermatology

Single red and slightly scaly area followed.

Christmas tree pattern dermatology. A christmas tree rash. The clinical presentation of skin diseases following a christmas tree pattern is limited to a small number of primary skin diseases discussed in more detail in subsequent sections that essentially are pityriasis rosea and mycosis fungoides as well as the maculopapular stage 2 of syphilis exanthematic sarcoma idiopathicum multiplex hemorrhagicum kaposi the early exanthematous stages of psoriasis vulgaris and the exanthematic paraneoplastic occurrence of multiple seborrhoic keratoses. The smaller patches typically spread and form a pattern resembling a pine tree on the back.

Thus the baldaquin sign never caught on whereas the christmas tree eponym is now universally acknowledged. The rash may form a pattern on the back that resembles a christmas tree. Showing a christmas tree pattern.

In medicine eponyms come and go. A week or two after the herald patch appears it is joined by daughter patches smaller scaly rashes that form on your chest or back often in the shape of a christmas tree. By the 1990s the christmas tree eponym sometimes called fir tree pattern becomes regularly mentioned in descriptions of the clinical features of pityriasias rosea.

10 to 35 years old. This rash herald patch may spread as small patches to other parts of the back chest and neck. The rash has been described as looking like a fir tree.

It does not involve the face scalp palms or soles. While the lesions are found mostly on the. Skin patches don t usually appear on the soles of the feet face palms or scalp.

Tinea corporis viral rash pityriasis versicolor nummular eczema. Here we review clinical aspects of pityriasis rosea mycosis fungoides stage 2 syphilis exanthematic kaposi sarcoma exanthematic psoriasis leser trelat syndrome and other primary skin diseases with a christmas tree pattern. In some cases it.