Thymus Neoplasia

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()Map\Tab LYMPHORETICULAR & HAEMATOPOIETIC SYSTEM (Map/Tab)
PRIMARY LYMPHOID SYSTEM



Anatomy & physiology

See here

Pathology

Tumours of the Thymus

  • Benign
- Thymoma (localised)
- predominantly epithelial
- predominantly lymphocytic
  • Malignant
- Thymic lymphosarcoma
- poorly encapsulated
- atrial and heart base infiltration
- infiltration beneath sternal pleura
- involvement of lung unusual

Rhodococcus equi

  • pathogen of the equine lung (and intestine)
  • cutaneous abscesses, cellulitis in young horses
  • CELLULITIS = deep suppurative infection often dissecting through tissue planes