Castleman’s disease is a rare lymphoproliferative disorder of unknown etiology exactly. Although the disease most commonly appears in the mediastinal lymph nodes, it can be occur in cervical, retroperitoneal, axillary and other regions lymph nodes. There is no gender predominance and often occurs in young adults. Two histological variants as hyaline-vascular and plasma cell type have been described. Clinically it is also divided in two types: a localized type, which is usually asymtomatic and presented as a mass or swelling. Systemic (multicentric) type is characterized nonspecific symptoms such as fever, anaemia, generalized lymphadenopathy and hepatosplenomegaly Complete surgical excision is curative for localized form. Although systemic type is usually treated with radiation therapy, corticosteroids and chemotherapy, there is no certain treatment. We herein reported a neck mass diagnosed as hyaline vascular type Castleman’s disease.