Acanthosis: Difference between revisions

Acanthosis is diffuse epidermal hyperplasia (thickening of the skin).^[1] It implies increased thickness of the Malpighian layer (stratum basale and stratum spinosum).^[2]

References

^ Kumar, Vinay; Fausto, Nelso; Abbas, Abul (2004) Robbins & Cotran Pathologic Basis of Disease (7th ed.). Saunders. Page 1230. ISBN 0-7216-0187-1.
^ M. S. Stone; T. L. Ray (September 1995). "Acanthosis". DermPathTutor. Department of Dermatology, University of Iowa. Archived from the original on 29 May 2012. Retrieved 17 May 2012. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)

Skin lesion terminology

Macroscopic

Primary lesions	flat Macule Patch elevated Papule Nodule Plaque fluid Vesicle Bulla Pustule Ulcer Erosion Telangiectasia Special initial lesions : Burrow Tunnel Comedo Scutulum Target lesion Herald patch Wheal
Secondary lesions	Scale Crust Lichenification Excoriation Induration Atrophy

Microscopic

Cutaneous keratosis, ulcer, atrophy, and necrobiosis

Necrobiotic/palisading	Granuloma annulare Perforating Generalized Subcutaneous Granuloma annulare in HIV disease Localized granuloma annulare Patch-type granuloma annulare Necrobiosis lipoidica Annular elastolytic giant-cell granuloma Granuloma multiforme Necrobiotic xanthogranuloma Palisaded neutrophilic and granulomatous dermatitis Rheumatoid nodulosis Interstitial granulomatous dermatitis/Interstitial granulomatous drug reaction
Foreign body granuloma	Beryllium granuloma Mercury granuloma Silica granuloma Silicone granuloma Zirconium granuloma Soot tattoo Tattoo Carbon stain
Other/ungrouped	eosinophilic dermatosis Granuloma faciale

Dermis/
localized CTD

Cutaneous lupus erythematosus	chronic: Discoid Panniculitis subacute: Neonatal ungrouped: Chilblain Lupus erythematosus–lichen planus overlap syndrome Tumid Verrucous Rowell's syndrome
Scleroderma/ Morphea	Localized scleroderma Localized morphea Morphea–lichen sclerosus et atrophicus overlap Generalized morphea Atrophoderma of Pasini and Pierini Pansclerotic morphea Morphea profunda Linear scleroderma
Atrophic/ atrophoderma	Lichen sclerosus Anetoderma Schweninger–Buzzi anetoderma Jadassohn–Pellizzari anetoderma Atrophoderma of Pasini and Pierini Acrodermatitis chronica atrophicans Semicircular lipoatrophy Follicular atrophoderma Linear atrophoderma of Moulin Atrophia maculosa varioliformis cutis
Perforating	Kyrle disease Reactive perforating collagenosis Elastosis perforans serpiginosa Perforating folliculitis Acquired perforating dermatosis
Skin ulcer	Pyoderma gangrenosum
Other	Calcinosis cutis Sclerodactyly Poikiloderma vasculare atrophicans Ainhum/Pseudo-ainhum

@@ Line 2: / Line 2: @@
 '''Acanthosis''' is diffuse [[Epidermis (skin)|epidermal]] [[hyperplasia]] (thickening of the skin).<ref name="Kumar">Kumar, Vinay; Fausto, Nelso; Abbas, Abul (2004) ''Robbins & Cotran Pathologic Basis of Disease'' (7th ed.). Saunders. Page 1230. {{ISBN|0-7216-0187-1}}.</ref>
-It implies increased thickness of the [[Malpighian layer]] ([[stratum basale]] and [[stratum spinosum]]).<ref>{{cite web|url=http://www.healthcare.uiowa.edu/dermatology/dpt/Acanthosis.htm|title=Acanthosis|author1=M. S. Stone|author2=T. L. Ray|date=September 1995|work=DermPathTutor|publisher=Department of Dermatology, University of Iowa|accessdate=17 May 2012}}</ref>
+It implies increased thickness of the [[Malpighian layer]] ([[stratum basale]] and [[stratum spinosum]]).<ref>{{cite web|url=http://www.healthcare.uiowa.edu/dermatology/dpt/Acanthosis.htm |title=Acanthosis |author1=M. S. Stone |author2=T. L. Ray |date=September 1995 |work=DermPathTutor |publisher=Department of Dermatology, University of Iowa |accessdate=17 May 2012 |deadurl=yes |archiveurl=https://web.archive.org/web/20120529202432/http://www.healthcare.uiowa.edu/dermatology/dpt/Acanthosis.htm |archivedate=29 May 2012 }}</ref>
 ==See also==