round cell

round cell

Haematology
A generic term for a relatively small (10–20 µm) leukocyte with usually a single round-to-oval nucleus.

Examples
Lymphocytes, monocytes, plasma cells, occasionally epithelioid histiocytes.
 
Pathology
A term of art for any round cell of unknown lineage, the nature of which can be often be determined with immunohistochemistry.
References in periodicals archive ?
These tumors may have epithelioid, spindled, pleomorphic, and/or round cell morphological features.
The microscopic diagnosis was malignant, small round cell tumour, hemithorax.
The Ewing family of tumours - a subgroup of small round cell tumours defined by specific chimeric transcripts.
Liposarcoma has five distinct histologic types on pathologic evaluation: myxoid, round cell, pleomorphic, well differentiated, and de-differentiated, with myxoid being the most common.
A variety of tumours have overlapping morphological features such as EWS, rhabdomyosarcoma, lymphoma, desmoplastic small round cell tumour, etc.
Identification of these tumours is important to help guide the treatment strategy, as rapid therapy is required and the diagnosis of small blue round cell tumours is broad.
The microscopic appearance of these cells was compatible with a round cell neoplasm, more specifically, lymphosarcoma.
According to the expanded deal, the firms will accelerate the development of NY-ESO therapy into pivotal synovial sarcoma studies and also explore development in myxoid round cell liposarcoma.
Surface temperature: -15 C - 60 C (standard); 15 - 150 C (w/3000-HTF) 15 - 300 C (w/3000-HTF-300C) Power supply: 2 x round cell (AA) 1.
Tumor cells express EMA, whereas the round cell component lacks pancytokeratin expression.
Ewing's Sarcoma (ES) is a small round cell tumour and accounts for one quarter of all primary bone tumours during childhood.
The test results can be read in the photometer included with the kit or any spectrophotometer that accepts a 13 mm round cell, enabling operators to use existing laboratory equipment.