Huge Lateral Rectus Solitary Plasmacytoma Causing Shunt Extrusion

Neuromyocysticercosis Causing Lateral Rectus Palsy

A 32-year-old nonvegetarian man from a known cysticercosisendemic region of north India presented with blurriness on looking to the right. Covering one eye restored normal vision. Visual acuity and color vision were normal. He had had two generalized seizures in the previous 2 years for which he had not sought treatment. On examination, he could not abduct the right eye, considered to be a righ...

Botulinum toxin injection causing lateral rectus palsy.

A 35-year-old woman with brow spasms, treated in the past with Botox, was referred for increasing tightness in the brow. She reported having experienced an episode of difficulty focusing after a previous injection of Botox by another physician. The patient had no response to a subcutaneous injection consisting of 10 units of Botox above the eyebrows, nor to a subsequent injection of 20 units in...

Solitary Plasmacytoma of the Humerus

Solitary Plasmacytoma

Solitary plasmacytoma is a rare disease characterized by a localized proliferation of neoplastic monoclonal plasma cells, without evidence of systemic disease. It can be subdivided into solitary bone plasmacytoma if the lesion originates in bone, or solitary extramedullary plasmacytoma if the lesion involves a soft tissue. The incidence of solitary bone plasmacytoma is higher than solitary extr...

Solitary extraosseous plasmacytoma

Plasma cell neoplasms are characterized by a neoplastic plasma cell lineage which produces a monoclonal immunoglobulin. These neoplasms can present as a single lesion (solitary plasmacytoma) or as multiple lesions (multiple myeloma). Solitary plasmacytomas most frequently occur in bone (plasmacytomas of bone), but can also be found outside bone in soft tissues (extramedullary plasmacytomas).