[Scrofula in the 19th century].

Area of Science:

• Medical History
• Pathology

Background:

• Scrofula, or scrofulous adenitis, was a prevalent 19th-century condition characterized by swollen cervical lymph nodes or scars.
• It was predominantly observed in children and thought to be linked to an inherited phlegmatic constitution and diathesis.

Observation:

• The disease could be triggered by environmental factors, poor habits, or lifestyle excesses.
• Beyond cervical lymph nodes, scrofula could affect other lymph node groups, bones, joints, lungs, and viscera.

Findings:

• Clinical presentations ranged from curable to lethal, with multiorgan involvement, caseation, and "tuberculization" noted.
• These findings prompted extensive debate on whether scrofula and tuberculosis were distinct diseases or manifestations of a shared diathesis.

Implications:

• The understanding of scrofula's etiology was limited before the discovery of Koch's bacillus.
• The prevailing view in 19th-century Europe did not emphasize contagion as a primary cause for scrofula and tuberculosis.