Dermatofibroma
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Cas típic de Dermatofibroma ― Un nòdul dur a l'extremitat. Dermatofibroma és un tumor benigne relativament comú.
References
Dermatofibroma és una malaltia comuna de la pell que es troba principalment als braços o cames. Apareix com a grumolls ferms sota la pell, sovint de mida inferior a 1 centímetre. Tot i que generalment és indolor, pot estar relacionat amb lesions lleus anteriors, com ara picades d'insectes o punxades d'espines. Els dermatofibromes poden afectar qualsevol persona, però són més freqüents en dones de 20 a 40 anys. Normalment són benignes, però de vegades poden tornar després de l'extirpació. És important diferenciar els dermatofibromes d'un tumor de pell més agressiu anomenat 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.
El tractament preferit per a lipomas, dermatofibromas, keratoacanthomas, pyogenic granulomas, and epidermoid cysts és l'extirpació quirúrgica. Els Cherry angiomas and sebaceous hyperplasia es tracten habitualment amb teràpia làser o electrodessecació. La crioteràpia i l'excisió d'afaitar són opcions populars per a acrochordons and seborrheic keratoses. Si un metge de família se sent incert sobre el diagnòstic o el tractament d'una lesió, o si una biòpsia confirma un melanoma, es recomana la derivació a un especialista.
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.
Els dermatofibromes es poden formar com a reacció a lesions prèvies, com ara picades d'insectes o punxades d'espines. Els dermatofibromes es classifiquen com a lesions cutànies benignes, és a dir, són completament inofensius, tot i que els dermatofibromes es poden confondre amb una varietat de tumors subcutanis. Els dermatofibromes de penetració profunda poden ser difícils de distingir, fins i tot histològicament, dels tumors fibrohistocítics malignes rars com el "dermatofibrosarcoma protuberans".
○ Diagnòstic i tractament
La majoria són benignes, però les lesions grans (> 5 mm) poden requerir una biòpsia.
#Dermoscopy
#Skin biopsy