Diseases characterized by papules and nodules Flashcards by Hny g

Aka:
bacterial granulomata

Botryomycosis

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2 CA of Botryomycosis

S. aureus,
Fungi

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Lesions:
Grape-like nodules

Botryomycosis

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diagnostic test for Botryomycosis

Bacterial culture

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Aka:
Pigeon fever

Corynebacterial infections

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CA of pigeon fever

Corynebacterium pseudotuberculosis

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2 clinical syndromes:
Abscesses,
Ulcerative lymphangitis

Corynebacterial infections

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drug of choice for Corynebacterial infections

procaine penicillin (large doses)

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Disfiguration of animal esp. in limbs

Corynebacterial infections

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CA of Sporotrichosis

Sporothrix schenckii

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drug for Sporotrichosis

sodium iodide

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Cigar-shaped yeast inside the WBC

Sporothrix schenckii/
Sporotrichosis

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locally invasive fibroblastic neoplasms

Sarcoids

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suspected CA of Sarcoids

Bovine papillomavirus

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Predilection of Sarcoids

head, ears, and limbs

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Histopath:
- Whirls of fibroblast
- Interfacing bundle of fibroblast

Sarcoids

tx of what dz:
* surgical debulking
* BCG vaccine
* cisplatin

Sarcoids

3 types of Sarcoids

Occult
Verrucous
Fibroblastic

benign or malignant

Melanomas

2 breeds predisposed to melanomas

Arabian & Percheron

Gray-colored horses

where are melanomas commonly observed

ventrum of tail

tx for melanoma

none

MOST COMMON NODULAR DZ IN HORSES

Eosinophilic granuloma complex

eosinophilic granuloma with collagen degeneration,

nodular necrobiosis of collagen, or

collagenolytic granuloma

Eosinophilic granuloma complex

Rxn on insect bites or envt allergens

Eosinophilic granuloma complex

Calcify - due to chronic iirrtation and chronic insect bites

Eosinophilic granuloma complex

nodules of Eosinophilic granuloma complex are common in what 3 areas

neck, trunk, back

(drug) Reported to cause regression of tumors in cases of melanoma

Cimetidine

Most common skin tumor of horses

Sarcoids