Lacunar type of reed sternberg cell is seen in ?
**Core Concept**
The lacunar type of Reed-Sternberg cell is a characteristic histopathological feature seen in certain types of lymphomas. These cells are large, multinucleated, and have a distinctive appearance due to their abundant cytoplasm and well-defined cell borders.
**Why the Correct Answer is Right**
The lacunar type of Reed-Sternberg cell is typically found in classical Hodgkin lymphoma (CHL), particularly in the nodular sclerosis subtype. These cells are characterized by their abundant, clear cytoplasm that gives them a "lacunar" appearance, and they are often surrounded by a clear space, resembling a lacuna. This distinctive appearance is due to the cells' ability to shrink and contract, creating a space between the cell and the surrounding tissue.
**Why Each Wrong Option is Incorrect**
**Option A:** Not a specific type of Reed-Sternberg cell, but rather a general term for the cells found in Hodgkin lymphoma.
**Option B:** Not a characteristic feature of Reed-Sternberg cells, but rather a type of lymphoma that is often associated with Reed-Sternberg cells.
**Option C:** Not a specific type of Reed-Sternberg cell, but rather a type of lymphoma that is often associated with Reed-Sternberg cells.
**Clinical Pearl / High-Yield Fact**
The lacunar type of Reed-Sternberg cell is a key diagnostic feature of nodular sclerosis Hodgkin lymphoma, and its presence can help differentiate this subtype from other types of lymphoma. This cell type is also often associated with a favorable prognosis in patients with Hodgkin lymphoma.
**Correct Answer:** C. Nodular sclerosis Hodgkin lymphoma.