Dermatofibroma - Dermatofibrome
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Cas typique de Dermatofibrome (Dermatofibroma) ― Un nodule dur sur le membre. Dermatofibrome (Dermatofibroma) est une tumeur bénigne relativement courante.
References
Dermatofibroma est une affection cutanée courante que l’on retrouve principalement sur les bras ou les jambes. Il apparaît sous la forme de bosses fermes sous la peau, mesurant souvent moins de 1 centimètre. Bien qu’elle soit généralement indolore, elle peut être liée à des blessures mineures antérieures comme des piqûres d’insectes ou des piqûres d’épines. Les dermatofibromes peuvent toucher n'importe qui, mais sont plus fréquents chez les femmes âgées de 20 à 40 ans. Ils sont généralement bénins, mais ils peuvent parfois réapparaître après leur ablation. Il est important de différencier les dermatofibromes d’une tumeur cutanée plus agressive appelée dermatofibrosarcoma protuberans.
Dermatofibroma is a commonly occurring cutaneous entity usually centered within the skin's dermis. Dermatofibromas are referred to as benign fibrous histiocytomas of the skin, superficial/cutaneous benign fibrous histiocytomas, or common fibrous histiocytoma. These mesenchymal cell lesions of the dermis clinically are firm subcutaneous nodules that occur on the extremities in the vast majority of cases and may or may not be associated with overlying skin changes. They are most commonly asymptomatic and usually relatively small, less than or equal to 1 centimeter in diameter. Often, patients who present with a dermatofibroma relate a history of possibly inciting local trauma at the site, such as from an insect bite or superficial puncture wound from thorns or wood splinters. Dermatofibromas occur in people of all ages, although more commonly during the ages of the 20s to 40s, and develop more frequently in females than males, with as high as a 2:1 female to male predominance according to some reports. They are a benign tumor, although there have been cases of local recurrence, and even more rarely, distant metastases have been reported. When considering the differential diagnosis of these lesions, it is vitally important to distinguish dermatofibromas from dermatofibrosarcoma protuberans, a similar-appearing but more aggressive cutaneous neoplasm.
Dermatofibroma is a commonly occurring cutaneous entity usually centered within the skin's dermis. Dermatofibromas are referred to as benign fibrous histiocytomas of the skin, superficial/cutaneous benign fibrous histiocytomas, or common fibrous histiocytoma. These mesenchymal cell lesions of the dermis clinically are firm subcutaneous nodules that occur on the extremities in the vast majority of cases and may or may not be associated with overlying skin changes. They are most commonly asymptomatic and usually relatively small, less than or equal to 1 centimeter in diameter. Often, patients who present with a dermatofibroma relate a history of possibly inciting local trauma at the site, such as from an insect bite or superficial puncture wound from thorns or wood splinters. Dermatofibromas occur in people of all ages, although more commonly during the ages of the 20s to 40s, and develop more frequently in females than males, with as high as a 2:1 female to male predominance according to some reports. They are a benign tumor, although there have been cases of local recurrence, and even more rarely, distant metastases have been reported. When considering the differential diagnosis of these lesions, it is vitally important to distinguish dermatofibromas from dermatofibrosarcoma protuberans, a similar-appearing but more aggressive cutaneous neoplasm.
Le traitement préféré pour lipomas, dermatofibromas, keratoacanthomas, pyogenic granulomas, and epidermoid cysts est l’ablation chirurgicale. Cherry angiomas and sebaceous hyperplasia sont généralement traités par thérapie au laser ou par électrodessiccation. La cryothérapie et l'excision par rasage sont des choix populaires pour acrochordons and seborrheic keratoses. Si un médecin de famille hésite à diagnostiquer ou à traiter une lésion, ou si une biopsie confirme un mélanome, il est recommandé de le diriger vers un spécialiste.
The preferred treatment for lipomas, dermatofibromas, keratoacanthomas, pyogenic granulomas, epidermoid cysts is surgical removal. Cherry angiomas, sebaceous hyperplasia are commonly treated with laser therapy or electrodesiccation. Cryotherapy and shave excision are popular choices for acrochordons, seborrheic keratoses. If a family physician feels uncertain about diagnosing or treating a lesion, or if a biopsy confirms melanoma, referral to a specialist is recommended.
The preferred treatment for lipomas, dermatofibromas, keratoacanthomas, pyogenic granulomas, epidermoid cysts is surgical removal. Cherry angiomas, sebaceous hyperplasia are commonly treated with laser therapy or electrodesiccation. Cryotherapy and shave excision are popular choices for acrochordons, seborrheic keratoses. If a family physician feels uncertain about diagnosing or treating a lesion, or if a biopsy confirms melanoma, referral to a specialist is recommended.
Les dermatofibromes peuvent se former en réaction à des blessures antérieures telles que des piqûres d'insectes ou des piqûres d'épines. Les dermatofibromes sont classés comme lésions cutanées bénignes, ce qui signifie qu'ils sont totalement inoffensifs, bien que les dermatofibromes puissent être confondus avec diverses tumeurs sous-cutanées. Les dermatofibromes à pénétration profonde peuvent être difficiles à distinguer, même histologiquement, des tumeurs fibrohistocytaires malignes rares comme le « dermatofibrosarcome protuberans ».
○ Diagnostic et traitement
La plupart sont bénignes, mais les lésions volumineuses (> 5 mm) peuvent nécessiter une biopsie.
#Dermoscopy
#Skin biopsy