There are reports of paraneoplastic cerebellar degeneration: neurological symptoms pointing to occult ovarian cancer where patients present with intense vertigo as principle symptom. 1-3 Anti-Yo antibodies is implicated in this rare but disablingneurodegenerative disease that may point to an occultovarian cancer.  In this instant case a female patient of29 years, married, nulliparaous presented with intensevertigo, nystagmus, diplopia, nausea and ataxia.  Shehad CT scan and MRI of her brain revealing no abnormality and was treated by high dose of steroid were absent.  Histopathology showed tuberculosis. Patient treated with ATD with good response and is now free from vertigo and other related features.  This is first reported case of nonmalignant ovarian tumour with such cerebellar symptom. on assumption of demyelinating disorder of brain stem. As she had no improvement she reported to me when I saw that in spite of nausea, vomiting and abdominal pain she did not have any USG of her abdomen.  This revealed bilateral ovarian cyst with variegated appearance strongly suggested being ovarian cancer by the sonologist.  Her CA 125 was 250 U/ml. Elisa fortuberculosis and urgent laparotomy was advised.  Shereported to state hospital and had laparotomy.  Bilateral