I am male 43 and having problom of varicocele pls help me ?
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Nevus
Article by hi joiney
ClassificationClassification is based on cell line of origin. Melanocytic nevi are derived from melanocytes. Epidermal nevi are derived from keratinocytes or derivatives of keratinocytes. Connective tissue nevi are derived from connective tissue cells like adipocyte and fibroblasts. Vascular nevi are derived from structures of the blood vessels. See birthmark for a more complete discussion Melanocytic nevusMain article: Melanocytic nevusCongenital nevus implying a melanocytic nevus present at birth or near birth.Acquired melanocytic nevus. Implies a melanocytic nevus acquired later in life, and not at or near birth. Most melanocytic nevi are of the acquired variety.Melanocytic nevus (nevomelanocytic nevus, nevocellular nevus): benign proliferation of melanocytes, the skin cells that make the brown pigment melanin. Hence, most nevi are brown to black. They are very common; almost all adults have at least one, usually more. They may be congenital or acquired (usually at puberty).Dysplastic nevus usually an acquired melanocytic nevus with abnormal features making it difficult to distinguish from a melanoma. It can be a marker for an individual at risk for developing melanomas. Epidermal nevusEpidermal nevus: congenital, flesh-colored, raised or warty, often linear lesion, usually on the upper half of the body.Nevus sebaceus: variant of epidermal nevus on the scalp presenting as a hairless, fleshy or yellowish area. Connective tissue nevusConnective tissue nevus: fleshy, deep nodules. Rare. Vascular nevusHemangioma (strawberry mark or nevus).Nevus flammeus (port-wine stain).Spider angioma (nevus araneus).Blue Rubber Bleb Nevus Syndrome: dilatation of veins anywhere in the body (both skin and internal organs), usually lethal from internal hemorrhage. It is a very rare genetic disorder.The term "venous nevus" has recently been proposed. Diagnosis of neviA dermatoscope.A modern polarized dermatoscope.Clinical diagnosis of a melanocytic nevus from other nevi can be made with the naked eye using the ABCD guideline, or using dermatoscopy. The main concern is distinguishing between a benign nevus, a dysplastic nevus, and a melanoma. Other skin tumors can resemble a melanocytic nevus clinically, such as a seborrheic keratosis, pigmented basal cell cancer, hemangiomas, and sebaceous hyperplasia. A skin biopsy is required when clinical diagnosis is inadequate or when malignancy is suspected. Normal Evolution or Maturation of Melanocytic NevusAll melanocytic nevi will change with time - both congenital and acquired nevi. The "normal" maturation is evident as elevation of the lesion from a flat macule to a raised papule. The color change occurs as the melanocytes clump and migrate from the surface of the skin (epidermis) down deep into the dermis. The color will change from even brown, to speckled brown, and then losing the color and becomes flesh colored or pink. During the evolution, uneven migration can make the nevi look like melanomas, and dermatoscopy can help in differentiation between the benign and malignant lesions. See alsoBecker's nevusDysplastic nevus - a melanocytic nevus with abnormal pigment features which can be difficult to distinguish from a melanoma. References^ nevus at Dorland's Medical Dictionary^ Zietz S, Happle R, Hohenleutner U, Landthaler M (2008). "The venous nevus: a distinct vascular malformation suggesting mosaicism". Dermatology (Basel) 216 (1): 316. doi:10.1159/000109355. PMID 18032896. http://content.karger.com/produktedb/produkte.asp?typ=fulltext&file=000109355. ^ http://www.pathologyresources.com/AFIP/melanocytic/chap02.htm External linksLook up nevus in Wiktionary, the free dictionary.Nevus risk factors, symptoms, treatment, and more informationAtlas of Pathology Section of a melanocytic nevuseMedicine: Mole or Melanoma? Tell-Tale Signs in Benign Nevi and Malignant Melanoma: SlideshowNevus Outreach, Inc.v d eDiseases of the skin and appendages by morphologyGrowthsEpidermalwart callus seborrheic keratosis acrochordon molluscum contagiosum actinic keratosis squamous cell carcinoma basal cell carcinoma merkel cell carcinoma nevus sebaceous trichoepitheliomaPigmentedFreckles lentigo melasma nevus melanomaDermal andsubcutaneousepidermal inclusion cyst hemangioma dermatofibroma keloid lipoma neurofibroma xanthoma Kaposi's sarcoma infantile digital fibromatosis granular cell tumor leiomyoma lymphangioma circumscriptum myxoid cystRashesWithepidermalinvolvementEczematouscontact dermatitis atopic dermatitis seborrheic dermatitis stasis dermatitis lichen simplex chronicus Darier's disease glucagonoma syndrome langerhans cell histiocytosis lichen sclerosus pemphigus foliaceus Wiskott-Aldrich syndrome Zinc deficiencyScalingpsoriasis tinea (corporis cruris pedis manuum faciei) pityriasis rosea secondary syphillis mycosis fungoides systemic lupus erythematosus pityriasis rubra pilaris parapsoriasis ichthyosisBlisteringherpes simplex herpes zoster varicella bullous impetigo acute contact dermatitis pemphigus vulgaris bullous pemphigoid dermatitis herpetiformis porphyria cutanea tarda epidermolysis bullosa simplexPapularscabies insect bite reactions lichen planus miliaria keratosis pilaris lichen spinulosus transient acantholytic dermatosis lichen nitidus pityriasis lichenoides et varioliformis acutaPustularacne vulgaris acne rosacea folliculitis impetigo candidiasis gonococcemia dermatophyte coccidioidomycosis subcorneal pustular dermatosisHypopigmentedtinea versicolor vitiligo pityriasis alba postinflammatory hyperpigmentation tuberous sclerosis idiopathic guttate hypomelanosis leprosy hypopigmented mycosis fungoidesWithoutepidermalinvolvementRedBlanchableErythemaGeneralizeddrug eruptions viral exanthems toxic erythema systemic lupus erythematosusLocalizedcellulitis abscess boil erythema nodosum carcinoid syndrome fixed drug eruptionSpecializedurticaria erythema (multiforme migrans gyratum repens annulare centrifugum ab igne)NonblanchablePurpuraMacularthrombocytopenic purpura actinic purpuraPapulardisseminated intravascular coagulation vasculitisInduratedscleroderma/morphea granuloma annulare lichen sclerosis et atrophicus necrobiosis lipoidicaMiscellaneousdisordersUlcersHairtelogen effluvium androgenic alopecia trichotillomania alopecia areata systemic lupus erythematosus tinea capitis loose anagen syndrome lichen planopilaris folliculitis decalvans acne keloidalis nuchaeNailonychomycosis psoriasis paronychia ingrown nailMucousmembraneaphthous stomatitis oral candidiasis lichen planus leukoplakia pemphigus vulgaris mucous membrane pemphigoid cicatricial pemphigoid herpesvirus coxsackievirus syphilis systemic histoplasmosis squamous cell carcinomav d eGonadal tumors, paraganglioma, glomus, nevi and melanomas (ICD-O 8590-8799)Gonadal/sex cord-gonadal stromal (8590-8679)sex cord (Granulosa cell tumour, Sertoli cell tumor)stroma (Thecoma, Leydig cell tumor)both (Sertoli-Leydig cell tumour, Luteoma)Paragangliomas AndGlomus tumors (8680-8719)Neuroendocrine tumor: Paraganglioma (Pheochromocytoma)Vascular tissue neoplasm: Glomus tumor (Glomangiosarcoma)Nevi and melanomas (8720-8799)NeviMelanocytic/pigmented nevus (Mongolian spot, Blue nevus, Nevus of Ota, Spitz nevus)location (Junctional nevus, Compound nevus)Halo nevus Dysplastic nevusMelanomas (NE)Superficial spreading melanoma Nodular melanoma lentigo (Lentigo maligna/Lentigo maligna melanoma, Acral lentiginous melanoma)v d eTumors: skin cancer (C43-C44/D22-D23, 172-173/216)EpidermisBasal cell carcinoma Squamous cell carcinoma (Acanthoma)Bowen's diseaseDermisBenign fibrous histiocytoma/dermatofibrosarcoma Dermatofibrosarcoma protuberansNevi and melanomasNevus: Melanocytic nevus Dysplastic nevus Halo nevus Spitz nevusMelanoma: Superficial spreading melanoma Nodular melanoma lentigo (Lentigo maligna/Lentigo maligna melanoma, Acral lentiginous melanoma)integument, SF, LCT navs: anat/physio, noncongen/congen/neoplasia, symptoms+signs/eponymous, procv d eCardiovascular disease: vascular disease Circulatory system pathology (I70-I99, 440-456)Arteries, arteriolesand capillariesInflammationArteritis (Aortitis) Buerger's diseaseArterial occlusive disease/peripheral vascular diseaseArteriosclerosisAtherosclerosis (Foam cell, Fatty streak, Atheroma, Intermittent claudication) Monckeberg's arteriosclerosis Arteriolosclerosis (Hyaline, Hyperplastic, oxycholesterol, cholesterol, LDL, trans fat)StenosisRenal artery stenosis Carotid artery stenosisOtherFibromuscular dysplasia Degos disease Aortoiliac occlusive disease Raynaud's phenomenon/Raynaud's disease ErythromelalgiaAneurysm/dissection/pseudoaneurysmtorso: Aortic aneurysm (Thoracic aortic aneurysm, Abdominal aortic aneurysm) Aortic dissection Coronary artery aneurysmhead/neck: Cerebral aneurysm Intracranial berry aneurysm Carotid artery dissection Vertebral artery dissection Familial aortic dissectionVascular malformationArteriovenous fistula Telangiectasia (Hereditary hemorrhagic telangiectasia)Vascular nevusSpider angioma Halo nevus Cherry hemangiomaVeinsInflammationPhlebitisVenous thrombosis/Thrombophlebitisprimarily lower limb (Deep vein thrombosis)abdomen (May-Thurner syndrome, Portal vein thrombosis, Budd-Chiari syndrome, Renal vein thrombosis)upper limb/torso (Paget-Schroetter disease, Mondor's disease)head (Cerebral venous sinus thrombosis)Post-thrombotic syndromeVaricose veinsVaricocele Gastric varices Portacaval anastomosis (Hemorrhoid, Esophageal varices, Caput medusae)OtherSuperior vena cava syndrome Inferior vena cava syndrome Venous ulcer Chronic venous insufficiency Chronic cerebrospinal venous insufficiencyArteries or veinsVasculitis Thrombosis Embolism (Pulmonary embolism, Cholesterol embolism, Paradoxical embolism) Angiopathy (Macroangiopathy, Microangiopathy)Blood pressureHypertensionHypertensive heart disease Hypertensive nephropathy Essential hypertension Secondary hypertension (Renovascular hypertension) Pulmonary hypertension Malignant hypertension Benign hypertension Systolic hypertension White coat hypertensionHypotensionOrthostatic hypotensionvascular navs: anat/physio/dev, noncongen/systemic vasculitis/congen/neoplasia, symptoms+signs/eponymous, proc Categories: Dermatologic terminology | Oral pathology | Genetic disorders | Disturbances of human pigmentationHidden categories: Articles lacking in-text citations from October 2008 | All articles lacking in-text citations
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