A case of extramedullary plasmacytoma (EMP) of the jejunum, an uncommon neoplasia, is reported. A 56-year-old Japanese woman who experienced intermittent upper abdominal pain and weight loss had a large movable mass in the upper abdomen, The mass was hypervascular in an angiographic study and positive for gallium-67 citrate scintigraphy. Immunoelectrophoresis showed the presence of an M-component of immunoglobulin (Ig) A-lambda in the serum. It was identified as an EMP immunohistochemically positive for IgA-lambda. This M-component disappeared after resection and chemotherapy, The clinical features of this rare neoplastic disorder are discussed.
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Tamil Nadu Govt Dent Coll & Hosp, Dept Oral & Maxillofacial Pathol, Madras 600003, Tamil Nadu, IndiaTamil Nadu Govt Dent Coll & Hosp, Dept Oral & Maxillofacial Pathol, Madras 600003, Tamil Nadu, India
Ponniah, Irulandy
Rajan, Suhasini
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Tamil Nadu Govt Dent Coll & Hosp, Dept Oral & Maxillofacial Pathol, Madras 600003, Tamil Nadu, IndiaTamil Nadu Govt Dent Coll & Hosp, Dept Oral & Maxillofacial Pathol, Madras 600003, Tamil Nadu, India
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Dokkyo Med Univ, Saitama Med Ctr, Dept Gastroenterol, Koshigaya, Saitama, Japan
Dokkyo Med Univ, Saitama Med Ctr, Endoscopy Ctr, Koshigaya, Saitama, JapanDokkyo Med Univ, Saitama Med Ctr, Dept Gastroenterol, Koshigaya, Saitama, Japan
Katayama, Yasumi
Kaneko, Mayuko
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Dokkyo Med Univ, Saitama Med Ctr, Dept Gastroenterol, Koshigaya, Saitama, JapanDokkyo Med Univ, Saitama Med Ctr, Dept Gastroenterol, Koshigaya, Saitama, Japan
Kaneko, Mayuko
Tamano, Masaya
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Dokkyo Med Univ, Saitama Med Ctr, Dept Gastroenterol, Koshigaya, Saitama, JapanDokkyo Med Univ, Saitama Med Ctr, Dept Gastroenterol, Koshigaya, Saitama, Japan