Kinetics of cell proliferation in benigh and premalignant tumors of the human epidermis. 1975

M Heenen, and J C Lambert, and G Achten, and P Galand

A double labeling method with two levels of tritiated thymidine was used to study 6 patients with seborrheic keratosis, 1 with a fibroepithelial tumor of Pinkus, and 1 with basal cell nevus syndrome manifesting three pits on the palm of the hand. The two latter types of lesions, known to be able to evolve into basal cell carcinoma, had an increased S-phase duration (18 hr for the germ cells of the palmar pits) as compared with normal epidermis (10 hr). This situation was similar to that observed in basal cell carcinoma, However, the S phase was not lengthened in seborrheic keratosis (9.2 plus or minus 1.6), a benign tumor in which malignant transformation is extremely rare. S phase was also of normal duration in the benign eosinophilic septa of the tumor of Pinkus.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D011230 Precancerous Conditions Pathological conditions that tend eventually to become malignant. Preneoplastic Conditions,Condition, Preneoplastic,Conditions, Preneoplastic,Preneoplastic Condition,Condition, Precancerous,Conditions, Precancerous,Precancerous Condition
D002280 Carcinoma, Basal Cell A malignant skin neoplasm that seldom metastasizes but has potentialities for local invasion and destruction. Clinically it is divided into types: nodular, cicatricial, morphaic, and erythematoid (pagetoid). They develop on hair-bearing skin, most commonly on sun-exposed areas. Approximately 85% are found on the head and neck area and the remaining 15% on the trunk and limbs. (From DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1471) Carcinoma, Basal Cell, Pigmented,Epithelioma, Basal Cell,Rodent Ulcer,Ulcer, Rodent,Basal Cell Carcinoma,Basal Cell Carcinomas,Basal Cell Epithelioma,Basal Cell Epitheliomas,Carcinomas, Basal Cell,Epitheliomas, Basal Cell,Rodent Ulcers,Ulcers, Rodent
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012628 Dermatitis, Seborrheic A chronic inflammatory disease of the skin with unknown etiology. It is characterized by moderate ERYTHEMA, dry, moist, or greasy (SEBACEOUS GLAND) scaling and yellow crusted patches on various areas, especially the scalp, that exfoliate as dandruff. Seborrheic dermatitis is common in children and adolescents with HIV INFECTIONS. Seborrhea,Dermatitis Seborrheica,Seborrheic Dermatitis,Dermatitides, Seborrheic,Seborrheic Dermatitides
D012878 Skin Neoplasms Tumors or cancer of the SKIN. Cancer of Skin,Skin Cancer,Cancer of the Skin,Neoplasms, Skin,Cancer, Skin,Cancers, Skin,Neoplasm, Skin,Skin Cancers,Skin Neoplasm
D013577 Syndrome A characteristic symptom complex. Symptom Cluster,Cluster, Symptom,Clusters, Symptom,Symptom Clusters,Syndromes
D013936 Thymidine A nucleoside in which THYMINE is linked to DEOXYRIBOSE. 2'-Deoxythymidine,Deoxythymidine,2' Deoxythymidine

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