Biomaterial Database

Scanning electron microscopy of disseminated superficial actinic porokeratosis. 1990

R C Jaworski, and G Versace, and C Commens

Department of Anatomical Pathology, Westmead Hospital, NSW, Australia.

A typical skin lesion from a patient with biopsy-confirmed disseminated superficial actinic porokeratosis (DSAP) was examined by scanning electron microscopy. The lesion was rimmed by a prominent but discontinuous cornoid lamella. The cornoid lamella was found to consist of a packed layer of keratinocytes whose orientation varied from parallel to the epidermis at the base of the lesion to perpendicular at the summit of the porokeratotic column. The central core of the cornoid lamella consisted of a tightly packed mass of keratin.

UI	MeSH Term	Description	Entries
D007642	Keratosis	Any horny growth such as a wart or callus.	Keratoderma Blennorrhagicum,Keratoma,Keratosis Blennorrhagica,Blennorrhagica, Keratosis,Blennorrhagicas, Keratosis,Blennorrhagicum, Keratoderma,Blennorrhagicums, Keratoderma,Keratoderma Blennorrhagicums,Keratomas,Keratoses,Keratosis Blennorrhagicas
D008855	Microscopy, Electron, Scanning	Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.	Scanning Electron Microscopy,Electron Scanning Microscopy,Electron Microscopies, Scanning,Electron Microscopy, Scanning,Electron Scanning Microscopies,Microscopies, Electron Scanning,Microscopies, Scanning Electron,Microscopy, Electron Scanning,Microscopy, Scanning Electron,Scanning Electron Microscopies,Scanning Microscopies, Electron,Scanning Microscopy, Electron
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man