Cáncer de Piel: Carcinoma Espinocelular
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Questions and Answers

¿Cuál es característica de la Enfermedad de Bowen?

  • Siempre se presenta en zonas expuestas
  • Su crecimiento es lento (correct)
  • Es una lesión altamente invasiva
  • Presenta bordes difusos

¿Cuál es la edad promedio de aparición del CEC invasor?

  • 70 años (correct)
  • 60 años
  • 50 años
  • 80 años

¿Qué porcentaje de los casos de Eritroplasia Queyrat puede derivar en carcinoma invasor?

  • 10%
  • 20%
  • 50%
  • 30% (correct)

¿Cuál es el principal método de diagnóstico del CEC?

<p>Clínico e histológico (D)</p> Signup and view all the answers

¿Qué tipo de lesiones caracteriza al CEC invasor?

<p>Úlceras con márgenes elevados (A)</p> Signup and view all the answers

¿Cuál es el margen de seguridad recomendado para la extirpación quirúrgica en CEC, dependiendo de la agresividad?

<p>4mm (A)</p> Signup and view all the answers

¿Cuál es la principal ubicación de la Eritroplasia Queyrat?

<p>Glande y prepucio (D)</p> Signup and view all the answers

¿Qué lesión se presenta en el CEC que es un precursor del carcinoma?

<p>Queratosis actínica (C)</p> Signup and view all the answers

¿Cuál es el tipo de cáncer de piel más frecuente?

<p>Carcinoma basocelular (C)</p> Signup and view all the answers

¿Cuál es un factor de riesgo importante para el desarrollo de carcinomas de piel?

<p>Fotoexposición crónica (A)</p> Signup and view all the answers

¿Qué características clínicas presenta el carcinoma basocelular en su forma nodular?

<p>Nódulo translucido con telangiectasias (C)</p> Signup and view all the answers

¿Qué porcentaje de casos representa el carcinoma espinocelular entre los tumores malignos de piel?

<p>20% (A)</p> Signup and view all the answers

¿Qué tipo de células conforman el carcinoma espinocelular?

<p>Queratinocitos del estrato espinoso (C)</p> Signup and view all the answers

¿Cuál de las siguientes características histológicas corresponde a la queratosis actínica?

<p>Queratinocitos atípicos en piel fotoexpuesta (B)</p> Signup and view all the answers

¿Cuál es la forma clínica que representa el 20% de los casos de carcinoma basocelular?

<p>Superficial (D)</p> Signup and view all the answers

¿Qué características tiene la forma morfeiforme del carcinoma basocelular?

<p>Tumor plano con límites difusos (A)</p> Signup and view all the answers

¿Qué tratamiento es comúnmente utilizado para el carcinoma basocelular?

<p>Extirpación quirúrgica (A)</p> Signup and view all the answers

¿Cuál es la media de edad de presentación para el carcinoma basocelular?

<p>67 años (B)</p> Signup and view all the answers

Cuál es el porcentaje de casos de melanoma que presenta lesiones en piel sana?

<p>70% (C)</p> Signup and view all the answers

Cuál es una característica de la fase tardía de los melanomas de extensión superficial?

<p>Crecimiento vertical (D)</p> Signup and view all the answers

Qué tipo de melanoma es más común en el dorso de hombres y se caracteriza por su agresividad?

<p>Nodular (D)</p> Signup and view all the answers

Cuál de las siguientes es parte de la regla ABCDE para el diagnóstico de melanoma?

<p>Asimetria (A)</p> Signup and view all the answers

Cuál es la forma clínica patológica que presenta una fase radial y es más frecuente en palmillas y plantas?

<p>Lentiginoso acral (B)</p> Signup and view all the answers

Cuál es un signo de progresión en los melanomas?

<p>Ulceración (A)</p> Signup and view all the answers

En qué porcentaje de los casos se presenta el lentigo maligno?

<p>4% - 10% (D)</p> Signup and view all the answers

Cuál es el tipo de melanoma que se relaciona con el signo de Hutchinson?

<p>Melanoma subungueal (B)</p> Signup and view all the answers

Cuál de las siguientes características no corresponde al melanoma lentigo maligno?

<p>Afectación en jóvenes (B)</p> Signup and view all the answers

Qué indica un grosor Breslow elevado en un diagnóstico histopatológico?

<p>Mayor agresividad del melanoma (D)</p> Signup and view all the answers

Flashcards

What is a characteristic of Bowen's disease?

Bowen's disease is characterized by its slow growth rate.

What is the average age of onset for invasive SCC?

The average age of onset for invasive SCC is 70 years.

What percentage of Erythroplasia of Queyrat cases can develop into invasive carcinoma?

About 30% of Erythroplasia of Queyrat cases can develop into invasive carcinoma.

What is the main method of diagnosing SCC?

Clinical and histological examination are the primary methods for diagnosing SCC.

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What kind of lesions characterize invasive SCC?

Invasive SCC is characterized by ulcers with raised margins.

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What is the recommended safety margin for surgical removal of SCC, depending on its aggressiveness?

The recommended safety margin for surgical removal of SCC, depending on its aggressiveness, is 4mm.

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What is the primary location of Erythroplasia of Queyrat?

The glans penis and foreskin are the primary locations for Erythroplasia of Queyrat.

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What lesion can be present in SCC that is a precursor to carcinoma?

Actinic keratosis is a lesion that can appear in SCC and is a precursor to carcinoma.

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What is the most frequent type of skin cancer?

Basal cell carcinoma is the most common type of skin cancer.

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What is a major risk factor for the development of skin cancers?

Chronic sun exposure is a significant risk factor for the development of skin cancers.

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What clinical characteristics does nodular basal cell carcinoma present with?

Nodular basal cell carcinoma presents clinically as a translucent nodule with telangiectasias.

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What percentage of cases does squamous cell carcinoma represent among malignant skin tumors?

Squamous cell carcinoma accounts for 20% of malignant skin tumors.

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What type of cells make up squamous cell carcinoma?

Squamous cell carcinoma is composed of keratinocytes from the stratum spinosum.

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Which of the following histological characteristics corresponds to actinic keratosis?

Atypical keratinocytes found in sun-exposed skin are a histological characteristic of actinic keratosis.

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What clinical form represents 20% of basal cell carcinoma cases?

The superficial form represents 20% of basal cell carcinoma cases.

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What characteristics does the morpheaform type of basal cell carcinoma have?

The morpheaform type of basal cell carcinoma is characterized by a flat tumor with diffuse borders.

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What treatment is commonly used for basal cell carcinoma?

Surgical removal is a commonly used treatment for basal cell carcinoma.

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What is the mean age of presentation for basal cell carcinoma?

The average age of presentation for basal cell carcinoma is 67 years.

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What percentage of melanoma cases present on healthy skin?

70% of melanoma cases present on healthy skin.

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What is a characteristic of the late stage of superficial spreading melanoma?

Vertical growth is a characteristic of the late stage of superficial spreading melanoma.

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What type of melanoma is more common on the back of men and is known for its aggressiveness?

Nodular melanoma is more common on the back of men and is known for its aggressive nature.

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Which of the following is part of the ABCDE rule for melanoma diagnosis?

Asymmetry is a part of the ABCDE rule for melanoma diagnosis.

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What clinical pathological form presents with a radial phase and is more frequent in palms and soles?

Lentigo maligna melanoma is a clinical pathological form that has a radial phase and is more frequent in palms and soles.

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What is a sign of progression in melanoma?

Ulceration is a sign of melanoma progression.

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What percentage of cases does lentigo maligna melanoma represent?

Lentigo maligna melanoma occurs in 4% to 10% of cases.

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What type of melanoma is associated with Hutchinson's sign?

Subungual melanoma is the type of melanoma associated with Hutchinson's sign.

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Which of the following characteristics does not correspond to lentigo maligna melanoma?

Lentigo maligna melanoma does not affect young people.

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What does a high Breslow thickness in a histopathological diagnosis indicate?

A high Breslow thickness in a histopathological diagnosis indicates greater melanoma aggressiveness.

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