TUBERCULOUS LESIONS AT VARIOUS SITES- NOMENCLATURE

TUBERCULOUS LESIONS AT VARIOUS SITES – NOMENCLATURE

•  also known as Koch’s  disease

• 2 types –

  • Primary tuberculosis

  • Secondary tuberculosis

• Lesions of primary tuberculosis

  • Ghon’s focus

    • Subpleural fibrocaseous lesion of lung parenchyma

    • most common site is – lower part of upper lobe

  • Ghon’s complex – Ghon’s focus and lymphnode involvement

  • Ranke’s complex – Ghon’s focus with fibrosis and calcification

  • Simon focus – Tuberculous nodule in lung apex

• Lesions of secondary tuberculosis

  • Puhl’s lesion – lesion in the lung apex and supraclavicular

  • Assman focus – Infraclavicular lesion of pulmonary tuberculosis

• Miliary Primary Tuberculous lesions

  • Rich focus – Tuberculous granuloma in brain cortex

  • Weigerts focus – Subintimal foci in pulmonary vein

  • Simonds focus – Localized foci in liver

• Tabes mesenterica – Abdominal tuberculosis

• Koenig’s syndrome – Intestinal tuberculosis (Abdominal cocoon/doughy abdomen)

• Pott’s spine – Tuberculous spondylitis

• Tuberculous infection of skin – 

  • Tuberculous verrucous cutis

  • Lupus vulgaris

By

• Dr. Sowmya Bandla, Post graduate, Department of Pathology, Narayana Medical College, Nellore