Giant lymph node hyperplasia is a rare, benign disease involving lymph nodes in various locations, predominantly in the mediastinum. There are two variants: plasma cell (earlier and/or acute) and hyaline-vascular, more chronic with an intermediate transitional type. The usual presentation is a solitary well-circumscribed asymptomatic mass lesion, often attaining large size, with infrequent associated hematologic manifestations. A case of giant lymph node hyperplasia involving the paravertebral superior mediastinum is reported.Surgical excision was the treatment of choice in a 65-year-old man, and at thoractomy, an encapsulated mass was excised from the posterior superior mediastinum. The patient had an uneventful postoperative course and was discharged on the tenth postoperative day.Three years later, he is well and employed as a carpenter.
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