{"id":211,"date":"2022-11-08T16:21:10","date_gmt":"2022-11-08T21:21:10","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/?post_type=chapter&p=211"},"modified":"2022-11-10T11:54:23","modified_gmt":"2022-11-10T16:54:23","slug":"morphology-primary-lesions","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/chapter\/morphology-primary-lesions\/","title":{"raw":"Morphology: Secondary Lesions","rendered":"Morphology: Secondary Lesions"},"content":{"raw":"

Secondary Lesions<\/h1>\r\nSecondary features occur when the basic form of the lesion has changed over time. This may be from a variety of factors, such as scratching or rubbing by the patient, infection or trauma.\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Crust<\/strong><\/td>\r\nDried serum, pus or blood on the surface of a lesion.<\/td>\r\n<\/tr>\r\n
Scale<\/strong><\/td>\r\nVisible flakes of stratum corneum \u2014 scale can be thin or thick, adherent or flaky. It may be white, silvery or yellow in colour.<\/td>\r\n<\/tr>\r\n
Erosion<\/strong><\/td>\r\nA slightly depressed area of loss of epidermis. Heals without scar formation.<\/td>\r\n<\/tr>\r\n
Ulcer<\/strong><\/td>\r\nA depressed area corresponding to loss of epidermis and dermis (and possibly the subcutis) \u2014 heals with scar formation.<\/td>\r\n<\/tr>\r\n
Scar<\/strong><\/td>\r\nFibrous tissue which forms a new surface after the healing process.<\/td>\r\n<\/tr>\r\n
Atrophy<\/strong><\/td>\r\nThinning of one or more layers of the skin \u2014 notable by the appearance of a thin, shiny surface, sometimes with visible blood vessels below (epidermal atrophy), or a depression (dermal atrophy).<\/td>\r\n<\/tr>\r\n
Lichenification<\/strong><\/td>\r\nThickening of the epidermis with exaggeration of skin markings.<\/td>\r\n<\/tr>\r\n
Fissure<\/strong><\/td>\r\nA linear cleavage in the skin. It may be dry or moist.<\/td>\r\n<\/tr>\r\n
Excoriation<\/strong><\/td>\r\nLoss of the epidermis and superficial dermis due to scratching, may be linear or punctate.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n
Hover over image for caption<\/em>.<\/strong><\/div>\r\n[h5p id=\"8\"]\r\n[h5p id=\"9\"]","rendered":"

Secondary Lesions<\/h1>\n

Secondary features occur when the basic form of the lesion has changed over time. This may be from a variety of factors, such as scratching or rubbing by the patient, infection or trauma.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Crust<\/strong><\/td>\nDried serum, pus or blood on the surface of a lesion.<\/td>\n<\/tr>\n
Scale<\/strong><\/td>\nVisible flakes of stratum corneum \u2014 scale can be thin or thick, adherent or flaky. It may be white, silvery or yellow in colour.<\/td>\n<\/tr>\n
Erosion<\/strong><\/td>\nA slightly depressed area of loss of epidermis. Heals without scar formation.<\/td>\n<\/tr>\n
Ulcer<\/strong><\/td>\nA depressed area corresponding to loss of epidermis and dermis (and possibly the subcutis) \u2014 heals with scar formation.<\/td>\n<\/tr>\n
Scar<\/strong><\/td>\nFibrous tissue which forms a new surface after the healing process.<\/td>\n<\/tr>\n
Atrophy<\/strong><\/td>\nThinning of one or more layers of the skin \u2014 notable by the appearance of a thin, shiny surface, sometimes with visible blood vessels below (epidermal atrophy), or a depression (dermal atrophy).<\/td>\n<\/tr>\n
Lichenification<\/strong><\/td>\nThickening of the epidermis with exaggeration of skin markings.<\/td>\n<\/tr>\n
Fissure<\/strong><\/td>\nA linear cleavage in the skin. It may be dry or moist.<\/td>\n<\/tr>\n
Excoriation<\/strong><\/td>\nLoss of the epidermis and superficial dermis due to scratching, may be linear or punctate.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Hover over image for caption<\/em>.<\/strong><\/div>\n
\n
<\/div>\n<\/div>\n
\n
<\/div>\n<\/div>\n","protected":false},"author":1076,"menu_order":4,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-211","chapter","type-chapter","status-web-only","hentry"],"part":36,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/pressbooks\/v2\/chapters\/211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/wp\/v2\/users\/1076"}],"version-history":[{"count":7,"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/pressbooks\/v2\/chapters\/211\/revisions"}],"predecessor-version":[{"id":268,"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/pressbooks\/v2\/chapters\/211\/revisions\/268"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/pressbooks\/v2\/parts\/36"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/pressbooks\/v2\/chapters\/211\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/wp\/v2\/media?parent=211"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/pressbooks\/v2\/chapter-type?post=211"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/wp\/v2\/contributor?post=211"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pedsdermprimer\/wp-json\/wp\/v2\/license?post=211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}