Tag Karynne O. Duncan MD

Cysts

Introduction Variably sized papules or nodules. Cysts can be divided into true cysts with an epithelial lining (histologically and sometimes visible clinically) and false cysts without such a lining. Appreciation of the actual size of the cyst often requires palpation.…

Other Vascular Disorders

This chapter covers a range of vascular disorders from livedo reticularis to common vascular ectasias such as venous lakes and telangiectasias. Additional disorders characterized by a proliferation of blood vessels are covered in Chapters 85 (infantile hemangiomas and vascular malformations)…

Ulcers

An ulcer is defined as a wound with loss of the entire epidermis plus dermal tissue, sometimes extending as deep as the subcutis. The most common types of leg ulcers – venous, arterial, and neuropathic – as well as pressure…

Atrophies of Connective Tissue

This chapter focuses primarily on entities in which there is a reduction in collagen and/or elastic tissue within the dermis. They vary from very common skin disorders such as striae to cutaneous manifestations of rare genetic syndromes. Loss of subcutaneous…