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Carcinomatous degeneration of pilonidal cyst with sacrum destruction and invasion of the rectum / Degeneracao carcinomatosa do cisto pilonidal com destruicao do sacro e invasao da parede do reto
Nunes, Luiz Fernando; Castro Neto, Antonio Kneipp Pitta de; Vasconcelos, Roberto Andre Torres; Cajaraville, Flavio; Castilho, Juliana; Rezende, Jose Francisco Netto; Noguera, Washington Silva.
  • Nunes, Luiz Fernando; National Cancer Institute. Soft Tissue and Skin Cancer Department. Rio de Janeiro. BR
  • Castro Neto, Antonio Kneipp Pitta de; National Cancer Institute. Soft Tissue and Skin Cancer Department. Rio de Janeiro. BR
  • Vasconcelos, Roberto Andre Torres; National Cancer Institute. Soft Tissue and Skin Cancer Department. Rio de Janeiro. BR
  • Cajaraville, Flavio; National Cancer Institute. Soft Tissue and Skin Cancer Department. Rio de Janeiro. BR
  • Castilho, Juliana; National Cancer Institute. Soft Tissue and Skin Cancer Department. Rio de Janeiro. BR
  • Rezende, Jose Francisco Netto; National Cancer Institute. Soft Tissue and Skin Cancer Department. Rio de Janeiro. BR
  • Noguera, Washington Silva; National Cancer Institute. Soft Tissue and Skin Cancer Department. Rio de Janeiro. BR
An. bras. dermatol ; 88(6,supl.1): 59-62, Nov-Dec/2013. graf
Article in English | LILACS | ID: lil-696804
ABSTRACT
Malignant degeneration of pilonidal cysts is rare. The most common histologic type is the squamous cell carcinoma, triggered by the chronic inflammatory process. The growth of the lesion is typically slow. The diagnosis must be early and the appropriate treatment is ample surgical resection, including the presacral fascia. In some cases, as the present one, the diagnosis is made at a stage when the disease has progressed and invaded adjacent structures. In these cases the surgery involves multiple organ resection. We report the case of a patient with carcinomatous degeneration of pilonidal cyst, with bulky disease that extended up to the wall of the rectum. The treatment was extended resection, sacrectomy and abominoperineal resection of the rectosigmoid with permanent colostomy.
RESUMO
A degeneração maligna do cisto pilonidal é rara. O tipo histológico mais freqüente é o carcinoma epidermóide e tem como fator desencadeante o processo inflamatório crônico. O tumor é de crescimento lento. O diagnóstico deve ser precoce e o tratamento cirúrgico adequado é a ressecção ampla incluindo a fáscia pré-sacral. Em alguns casos, como o que apresentamos, o diagnóstico é feito numa fase em que a doença progrediu e invadiu as estruturas adjacentes. Nestes a cirurgia necessária envolve a ressecção multiorgânica. Apresentamos paciente com degeneração carcinomatosa do cisto pilonidal, com doença volumosa que se estendia até a parede do reto. O tratamento realizado foi ressecção alargada, sacralectomia e ressecção abominoperineal do retossigmóide com colostomia definitiva.
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Full text: Available Index: LILACS (Americas) Main subject: Pilonidal Sinus / Rectal Neoplasms / Sacrum / Skin Neoplasms / Carcinoma, Squamous Cell Limits: Humans / Male Language: English Journal: An. bras. dermatol Journal subject: Dermatology Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: National Cancer Institute/BR

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Full text: Available Index: LILACS (Americas) Main subject: Pilonidal Sinus / Rectal Neoplasms / Sacrum / Skin Neoplasms / Carcinoma, Squamous Cell Limits: Humans / Male Language: English Journal: An. bras. dermatol Journal subject: Dermatology Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: National Cancer Institute/BR