Plain and simple, by RAW can the Iron Heart Surge maneuver from the Tome of Battle remove a Necrotic Cyst, a spell from Libris Mortis.
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No. iron heart surge only removes an effect with a duration of one or more rounds. Necrotic cyst's duration is instantaneous.
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1\$\begingroup\$ Iron heart surge can remove effects which last more than one round not just spells, and the cyst seems like a permanent effect to me \$\endgroup\$ – HESH Jul 21 '14 at 3:02