A case of disseminated superficial porokeratosis with multiple squamous cell carcinoma and bowen's disease

Nobutoshi Take, Makiko Kido-Nakahara, Takeshi Nakahara, Hiroshi Uchi, Masutaka Furue

Research output: Contribution to journalArticle

Abstract

A 93-year-old man had had multiple brown spots with keratinization on his face, trunk, and extremities for 30 years and was diagnosed with porokeratosis. Some erosions appeared on his brown spots 3 years ago. He was referred to our hospital because of nodular lesions that arose on the erosions. There were multiple brown keratotic plaques on his skin throughout the body with some erosions on the abdomen and two red nodules on the left forearm and the right leg. A histological examination of the brown plaques revealed the formation of cornoid lamellae. At the sites of the erosions and red nodules, the proliferation of atypical keratinocytes in the epidermis and their invasion into the upper dermis were observed. We diagnosed this patient as disseminated superficial porokeratosis with multiple squamous cell carcinoma and Bowen's disease. Some cases of porokeratosis show autosomal-dominant inheritance; however, most cases are sporadic. When we examine a patient with porokeratosis, it is necessary to follow them up regularly and carefully observe them for malignant skin lesions throughout the whole body.

Original languageEnglish
Pages (from-to)569-573
Number of pages5
JournalNishinihon Journal of Dermatology
Volume79
Issue number6
DOIs
Publication statusPublished - Jan 1 2017

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Porokeratosis
Bowen's Disease
Squamous Cell Carcinoma
Skin
Dermis
Keratinocytes
Forearm
Epidermis
Abdomen
Leg
Extremities

All Science Journal Classification (ASJC) codes

  • Dermatology

Cite this

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title = "A case of disseminated superficial porokeratosis with multiple squamous cell carcinoma and bowen's disease",
abstract = "A 93-year-old man had had multiple brown spots with keratinization on his face, trunk, and extremities for 30 years and was diagnosed with porokeratosis. Some erosions appeared on his brown spots 3 years ago. He was referred to our hospital because of nodular lesions that arose on the erosions. There were multiple brown keratotic plaques on his skin throughout the body with some erosions on the abdomen and two red nodules on the left forearm and the right leg. A histological examination of the brown plaques revealed the formation of cornoid lamellae. At the sites of the erosions and red nodules, the proliferation of atypical keratinocytes in the epidermis and their invasion into the upper dermis were observed. We diagnosed this patient as disseminated superficial porokeratosis with multiple squamous cell carcinoma and Bowen's disease. Some cases of porokeratosis show autosomal-dominant inheritance; however, most cases are sporadic. When we examine a patient with porokeratosis, it is necessary to follow them up regularly and carefully observe them for malignant skin lesions throughout the whole body.",
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AU - Take, Nobutoshi

AU - Kido-Nakahara, Makiko

AU - Nakahara, Takeshi

AU - Uchi, Hiroshi

AU - Furue, Masutaka

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N2 - A 93-year-old man had had multiple brown spots with keratinization on his face, trunk, and extremities for 30 years and was diagnosed with porokeratosis. Some erosions appeared on his brown spots 3 years ago. He was referred to our hospital because of nodular lesions that arose on the erosions. There were multiple brown keratotic plaques on his skin throughout the body with some erosions on the abdomen and two red nodules on the left forearm and the right leg. A histological examination of the brown plaques revealed the formation of cornoid lamellae. At the sites of the erosions and red nodules, the proliferation of atypical keratinocytes in the epidermis and their invasion into the upper dermis were observed. We diagnosed this patient as disseminated superficial porokeratosis with multiple squamous cell carcinoma and Bowen's disease. Some cases of porokeratosis show autosomal-dominant inheritance; however, most cases are sporadic. When we examine a patient with porokeratosis, it is necessary to follow them up regularly and carefully observe them for malignant skin lesions throughout the whole body.

AB - A 93-year-old man had had multiple brown spots with keratinization on his face, trunk, and extremities for 30 years and was diagnosed with porokeratosis. Some erosions appeared on his brown spots 3 years ago. He was referred to our hospital because of nodular lesions that arose on the erosions. There were multiple brown keratotic plaques on his skin throughout the body with some erosions on the abdomen and two red nodules on the left forearm and the right leg. A histological examination of the brown plaques revealed the formation of cornoid lamellae. At the sites of the erosions and red nodules, the proliferation of atypical keratinocytes in the epidermis and their invasion into the upper dermis were observed. We diagnosed this patient as disseminated superficial porokeratosis with multiple squamous cell carcinoma and Bowen's disease. Some cases of porokeratosis show autosomal-dominant inheritance; however, most cases are sporadic. When we examine a patient with porokeratosis, it is necessary to follow them up regularly and carefully observe them for malignant skin lesions throughout the whole body.

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