Small Animal Dermatology, 3rd edition

CHAPTER 38 PANNICULITIS 573 Fig. 38.13.Histopathologic example of panniculitis. Note the influx of inflammatory cells around th ...

chapter 39 Photodermatoses..................................... DEFINITION/OVERVIEW  Electromagnetic radiation, primarily ultra ...

CHAPTER 39 PHOTODERMATOSES 575  Lesions develop in sun-exposed, lightly pigmented or unpigmented skin (naturally or scarred) in ...

576 DISEASES/DISORDERS Individual plaques and nodules (often with actinic comedones) coalesce to form larger lesions Affected ...

CHAPTER 39 PHOTODERMATOSES 577  Actinic comedones and furunculosis: deep bacterial, fungal, or mycobacterial furun- culosis, de ...

578 DISEASES/DISORDERS  Individual tumors should be surgically excised; large areas may require extensive pro- cedures.  Vitam ...

CHAPTER 39 PHOTODERMATOSES 579 Fig. 39.1.Scarred and depigmented plaques of chronic solar dermatitis. Fig. 39.2.Feline solar d ...

580 DISEASES/DISORDERS Fig. 39.3.Canine solar dermatitis. Similar lesions as for the cat in Figure 39.2. Note additional lesion ...

CHAPTER 39 PHOTODERMATOSES 581 Fig. 39.5.Exudative and thickened skin associated with actinic comedones and furunculosis on the ...

582 DISEASES/DISORDERS Fig. 39.7.Actinic keratoses with crusted, indurated, and exfoliating plaques on the ventrum of a 9-year- ...

CHAPTER 39 PHOTODERMATOSES 583 Fig. 39.9.Vasoproliferative plaque – this lesion may be a precursor to HA or HSA. Fig. 39.10.Mu ...

584 DISEASES/DISORDERS Fig. 39.11.Solar-induced hemangiosarcoma on the nictitans of an adult female-spayed basset hound. Fig. ...

CHAPTER 39 PHOTODERMATOSES 585 Fig. 39.13.Multiple eroded and noneroded plaques of squamous cell carcinoma associated with AKs. ...

586 DISEASES/DISORDERS Fig. 39.15.Additional image of the patient in Figure 39.14. Large exudative squamous cell carcinoma in t ...

CHAPTER 39 PHOTODERMATOSES 587 Fig. 39.17.Squamous cell carcinoma in a DSH. Note punctate scabs on the external nares and philt ...

chapter 40 Pododermatitis and Claw Disorders......................... DEFINITION/OVERVIEW Pododermatitis: descriptive term for d ...

CHAPTER 40 PODODERMATITIS AND CLAW DISORDERS 589  Onychogryphosis: abnormal curvature of the claw.  Onycholysis: separation of ...

590 DISEASES/DISORDERS  Clipping too closely can lead to embedded debris and secondary infections, including onychomadesis; tra ...

CHAPTER 40 PODODERMATITIS AND CLAW DISORDERS 591 Onychomycosis  Dogs:Trichophyton mentagrophytes– usually generalized (Figure 4 ...

592 DISEASES/DISORDERS  Crusted/hyperkeratotic/fissured footpads: Pemphigus foliaceus (Figures 40.24–40.26) Zinc-responsive d ...