Kha-vaigunya is the condition of the srotas which is susceptible for pathological changes or favourable movement to produce a disease. Koshtha means hollow organs and cavernous spaces or cavities of body.Shakha means Shariradhatus or body tissues excluding the rasa dhatu or plasma and including the twak or skin. Doshas are functional entities of body and they are constantly moving from one place of body to other. When Doshas have unidirectional movement from Koshta to Shakha, Doshas do not come back to visceral spaces therefore normal function of visceral organs are hampered. The Doshas gets stagnated and damage the tissue causing disease. Tuberculosis is chronic granulomatous inflammation of lung tissue. In Disease progression stage Tubercle forms, which contains a semi-solid or â€œcheesyâ€ consistency. Itâ€™s manifestation is either cavitation or calcification. Hence understanding the pathogenesis by evaluating X-rays is an attempt made to understand Koshta shakha vikriti as kha vaigunya.
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