Lymphadenopathy - Atlas of swine pathology

Lymphadenopathy

Where:

Possible causes: Porcine circovirosisPRRS

At necropsy, when lymph nodes are increased in size the correct term to describe the finding is: lymphadenopathy. This can be produced by inflammation (lymphadenitis), immune reaction (lymphoid hyperplasia) or neoplasia (lymphoma, for instance). Usually, gross inspection is not sufficient to determine the etiology of this change and, therefore, histopathology is needed.

Where
Disease
Splenic infarction
Rickets
Exudative epidermitis
Interstitial pneumonia
Mesocolon oedema
Atrophic rhinitis
Diamond-shaped skin lesions
Necrotizing dermatitis
Endocarditis
Fibrous peritonitis
Gallbladder edema
Fat atrophy
Milk spots on liver
Hepatic polycystosis
Gastrohepatic lymphadenitis
Fibrinous pericarditis
Renal petechiae
Haemorrhagic renal lymph nodes
Gallbladder wall edema
Renal papillary necrosis
Renal nephroblastoma
Multifocal interstitial nephritis
Multifocal red dots in kidney
Renal cyst
Vesical haemorrhage
Mummified fetuses
Brain abscess
Fibrinous colitis
Fibrinous arthritis
Ear tip necrosis
Fibrinous bronchopneumonia
Hepatosis dietetica
Gastric ulcer
Fibrinous polyserositis
Ocular conjunctiva, Jaundice
Myocardium hemorrhage
Hemorrhagic enteritis
Spleen lymphoid hyperplasia
Vulvar tumefaction
Fibrinous-necrotizing pleuropneumonia
Lymphadenopathy
Atelectasis
Interstitial pneumonia
Rectal prolapse
Multifocal red dots in kidney
Wasting pig
Insect bites
Orchitis
Fibrinous enteritis
Whitish plaques over the esophageal mucosa
Interstitial pneumonia
Diamond-shaped skin lesions
Endocarditis
Fibrinous-ulcerative colitis
Hepatosis dietetica
Valvular dysplasia
Necrotic tonsilitis
Meningitis
Cutaneous hyperaemia
Neck oedema
Rhinitis and turbinate atrophy
Septic laminitis
Diffuse hyperaemia
Crushing
Gastric dilation
Intestinal torsion
Fibrinous pericarditis
Cutaneous inflammation
Hoof lesions
Cutaneous granuloma
Intestinal parasitism
Hepatomegaly and splenomegaly
Bronchopneumonia
Head tilt
Nodular lymphadenitis
Anaemia
Eyelid oedema
Atrophic rhinitis
Hyperplastic and hyperkeratotic dermatitis
Venereal papilloma
Necrotic enteritis
Gastric ulceration
Agnathia
Contagious pleuropneumonia
Splenic lymphoma
Fibrin clots in the colon
Hydronephrosis
Bilateral hermaphroditism in the sow
Bilateral hermaphroditism in the sow
Metastatic embolic pneumonia
Intestinal emphysema
Milk spots on liver
Trichinella spiralis
Pork loin with bruise damage
Needle in neck
Mesenteric Cysts
Jaundiced Carcass
Melanosis
Abscesses in the sternal region
Diamond-shaped skin lesions
Post-injection residues
Otohaematomas
Ham with residues
Ear necrosis
Spleen hypertrophy with adhesions
Scrotal hernia
Umbilical hernia
Pyogenic arthritis
Skin ulcers
Abscesses
Pericarditis
Serous arthritis
Haemorrhagic pneumonia
Interstitial pneumonia
Splenomegaly
Purulent bronchopneumonia
Snout malformation
Jaundice
Femur fracture
Hydronephrosis
Subcutaneous oedema
Rectal prolapse
Microinfarcts in the small intestine
Haemorrhage due to blood aspiration
Mesenteric limph nodes with hyperplasia
Acute interstitial pneumonia vs acute pulmonary edema
Gastric hypercheratosis
Fibrinous pericarditis
Rhinitis with atrophy
Polyserositis
Fibrinous pericarditis
Hoof laceration
Renal cysts
Necrotizing haemorrhagic dermatitis
Necrotizing haemorrhagic dermatitis
Hepatic rupture
Midges bites
Hermaphroditism
Ring-shaped coalescent skin lesions
Exudative epidermitis
Progressive Atrophic Rhinitis
Osteochondrosis
Fibronecrotic pleuropneumonia
Scrotal rupture
Diamond-shaped skin lesions
Epitheliogenesis imperfecta
Diaphragmatic Hernia
vulval deposits
Vulvar ascending bacterial infection
Aero chocolate liver
Piglet diarrhoea
Gangrene
Enlarged, congestive spleen
Serosal haemorrhage
Chronic lung lesions
Preputial diverticulum ulcer
Lung consolidation
Typhoid colonic enteritis
Lung consolidation with interstitial pneumonia
Interstitial pneumonia
Impaired motility in newborn piglet
Widespread subepithelial haemorrhages
Ulcer
Vulvovaginitis
Fibronecrotic pleuropneumonia
Haemorrhagic enteriris
Abdominal distension
Enteritis
Enteritis
Joint-Ill
Ear swelling
Prolapse
Sunburn
Melena caused by Gastric Ulceration
Aborted foetuses
Gastric Ulceration of the Pars Oesophagea
Foot Rot
Pale streaks and patches of myocardium necrosis and hepatic rupture
Lung abscessation
Stereotypic behaviour bar-biting
Bloody diarrhea
Hyperkeratosis
Atresia ani
Muscle necrosis and death after iron injection
Epiphysiolysis
Necrotizing Dermatitis
Anemia
Meningitis
Blood in the vulva
Dermatitis
Skin lesions
Enlarged, congestive spleen
Prolapse of the uterus
Lung consolidation
Petechiation and congestion of the lung
Spinal chord compression
Haemorrhagic pleural effusion
Skin erythema
Valvular endocarditis
Jaundice
Lordosis and Kyphosis
Lameness
Generalised skin lesion
Hepatitis
Swelling of the tail with blood
Cyanotic ears and lower and distal parts of the body
Congenital defect
Dermatitis
Oedema of Mesocolon
Pyaemia
Ulcerative pododermatitis
Abscess
Muscular tremors
Skin laceration
Red intestinal serosa with gas bubbles
Cutaneous melanoma
Interstitial pneumonia / fibrinous bronchopneumonia
Atrophic rhinitis in a a fattening pig
Intestinal parasitosis
Marbled appearance of a lung
Cyanosis on the tip of the ears
Hyperaemic areas on skin
Atrophic enteritis
Interstitial pneumonia + broncointerstitial
Hemorrhagic bowel
Colitis
Diamond-shaped lesions on the skin
Polycystic kidney
Splenomegaly
Renal hypoplasia
White spots on the liver
Otohematoma
Necrotic area and joint swelling
Severe bilateral caseous pneumonia
Small intestine petechial haemorrhages
Chronic skin ulcers at hind legs
Kidney petechiae in cortex
Hemorrhagic gastrohepatic lymph node
Serous atrophy
Nephroblastoma
Chronic, reactivated gastric ulcer
Chronic fibrinous bronchopneumonia
Hemorrhagic renal lymph nodes and kidneys with fibrine
Subcutaneus hemorrhages in abdomen
Liver emphysema
Diarrhea on the perianal area
Mucohemorrhagic diarrhea
Fibrinous pleuritis
Intestine with signs of diarrhea
Purulent osteitis
Polydactyly
Tail wound
Serofibrinous pericarditis
Hydronephrosis
Lung consolidation
Ovarian cysts and uterine dilation
Hermaphroditism
Pulmonary hypertrophy
Diarrhea in fattening pigs
Intestinal congestion with watery content. Undigested feed in stomach.
Tar-colored diarrhea
Subcutaneous oedema
Megaoesophagus
Cystitis
Callus Formation
Fatigued Pig after Fighting
Necrotizing pleuroneumonia
Large coalescence lesions on the skin
Oedema of the mamary gland
Hardened lump in the udder tissue
Skin pustules
Nodule on the skin
Mummified foetuses
Small pellet sized faeces
Ulceration of the perineal area
Brain haemorrhage
Haemorrhagic enlarged lymph nodes
Cystic endometrial hyperplasia
Renal septicemia
Serous tuberculosis in fattening pig
Renal sclerosis
Petechiae and hemorrhages in kidney
Hemorrhages and necrotic pneumonia at lung. Hemorragic heart
Petechias in stomach
Hemorrhages and petechiaes in kidney
Pulmonary edema
Vulva edema
Trauma to vulva
Hermaphroditism
Necrosis of the ear tips
Otohematoma
Bites on the mammary gland
Dermatitis
Papules, pustules, and skin erosions
Papules
Lordosis
Laceration of the vulva
Stomach ulcer
Umbilical hernia
Diarrhea in grow-finish pigs
Fibrinous pericarditis
Mammary edema
Rectal prolapse
Interstitial pneumonia
Hemorrhagic enteritis
Skin hyperemia and scabs
Skin wound
Intestinal congestion
Fibrinous purulent pneumonia
Idiopathic Pulmonary Haemorrhage
Anaemia
Agalactia
Salivation
Chronic purulent bronchopneumonia
Pulmonary petechiae
Pleuroneumonia
Mucohemorrhagic colitis

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