Pigmentary demarcation lines

Pigmentary demarcation lines in pregnancy.

Pigmentary demarcation lines over the face.

BACKGROUND We have been observing that a significant proportion of our patients, especially females, have certain pigmentary demarcation lines (PDL) over the face. However, systematic studies of the subject are lacking. AIMS We categorized the different clinical patterns of facial PDLs in the Indian subpopulation and assessed their prevalence in this study. METHODS About 4000 consecutive pa...

Type B Pigmentary Demarcation Lines of Pregnancy Involving the Anterior Thighs and Knees

Pigmentary demarcation lines are abrupt transition lines between the areas of deeper pigmentation and the areas of lighter, normal pigmentation. Type B pigmentary demarcation lines involve the posterior medial portion of the lower extremities and are more commonly associated with pregnancy. We present a case of pigmentary demarcation lines of pregnancy with erythematous changes, involving both ...

Transient pigmentary lines of the newborn.

5. Bakos RM, Cartell A, Bakos L. Dermatoscopy of early-onset necrobiosis lipoidica. J Am Acad Dermatol. 2012;66:143--4. 6. Vazquez-Lopez V, Kreusch J, Marghoob AA. Dermoscopic semiology: further insights into vascular features by screening a large spectrum of nontumoral skin lesions. Br J Dermatol. 2004;150:226--31. 7. Brasiello M, Zalaudek I, Ferrara G, Gourhant JY, Capoluongo P, Roma P, et al...

Periorbital melanosis is an extension of pigmentary demarcation line-F on face.

BACKGROUND To date, periorbital melanosis is an ill-defined entity. The condition has been stated to be darkening of the skin around the eyes, dark circles, infraorbital darkening and so on. AIMS This study was aimed at exploring the nature of pigmentation in periorbital melanosis. METHODS One hundred consecutive patients of periorbital melanosis were examined and investigated to define per...