mastocytoma


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Related to mastocytoma: mastocytosis

mas·to·cy·to·ma

(mas'tō-sī-tō'mă),
A fairly well-circumscribed accumulation or nodular focus of mast cells, grossly resembling a neoplasm.
[mastocyte + G. -oma, tumor]

mastocytoma

Dermatology
A solitary or grouped aggregate of round to spindled mast cells with abundant eosinophilic granular cytoplasm, which may be associated with basal epidermal hyperpigmentation.

mastocytoma

Pediatrics Urticaria pigmentosa, see there.

mas·to·cy·to·ma

(mas'tō-sī-tō'mă)
A fairly well-circumscribed accumulation or nodular focus of mast cells, grossly resembling a neoplasm.
[mastocyte + G. -oma, tumor]
References in periodicals archive ?
According to Mathews and Murphy (1982) [3], DEC inhibits the formation of LTB4 and sulfidopeptide leukotrienes, which are potent vaso/bronchoconstrictors, in mastocytomas, while stimulating the formation of 5-hydroxyeicosatetraenoic acid, suggesting that the site of action of DEC for inhibiting leukotrienes formation may be the leukotriene [A.sub.4] synthetase reaction.
Kinavet contains mastinib, an anti-cancer drug designed for use with dogs suffering from aggressive mast cell tumors (mastocytoma).
The Swedish company will use the proceeds to invest in production capacity, inventory build-up prior to the launch of Paccal Vet for the treatment of mastocytoma (skin cancer) in dogs and to complete the Phase III study of Paclical for the treatment of ovarian cancer in humans.
P815 is a cell line derived from a mastocytoma in DBA/2 (H-[2.sup.d]) mice, and it expresses class I H-[2.sup.d] molecules (Plaut et al.
So, the other round cell tumors, such as histiocytoma, mastocytoma, lymphoma, plasmacytoma, melanoma were excluded.
(1) The category of cutaneous mastocytosis also includes diffuse cutaneous mastocytosis (characterized by generalized erythema and thickened skin), solitary mastocytoma (present as a solitary brown or red lesion), and telangiectasia macularis eruptiva perstans (diffuse telangiectatic macules on the skin, usually in adult patients).
Results: All patients had cutaneous mastocytosis, 19 patients had urticaria pigmentosa and 2 patients had mastocytoma. The male-female ratio was: 1/1.6.
Recently, there is also a report that Schisandra lignans can prevent hepatic metastasis of mouse mastocytoma P815 tumor cells (Tang et al.
Other CD117 positive tumors include clear cell sarcoma, gastrointestinal stromal tumors, (16) mastocytoma, and myeloid leukemia.
Other forms are solitary mastocytoma, and less commonly, diffuse cutaneous mastocytosis.
Based on history and clinical examination, the case was suspected for cutaneous solitary mastocytoma.