Cases reported "Carcinoma, Basal Cell"

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1/15. Clinicopathological report Periocular tumour of the follicular infundibulum.

    Tumour of the follicular infundibulum (TFI) is an uncommon, benign lesion of the skin adnexae. Four cases are reported of periocular TFI. In all cases a clinical diagnosis of basal cell carcinoma was made before surgery; however, histopatholog ca examination revealed TFI. This is an epithelial tumour showing differentiation along the lines of the follicular infundibulum. Characteristic features are a shelf-like proliferat on of pale epithelia cells in the upper dermis, attachment to the epidermis and the upper portions of the pilosebaceous units, a dense border of elastic fibres, and palisading of the peripheral cell layer of the tumour plate. This benign tumour has not, to the authors' knowledge, been reported in the ophthalmic literature. It has a non-specific appearance and may be clinically misdiagnosed as naevus sebaceous, xanthoma, seborrhoeic keratosis, or basal cell carcinoma.
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ranking = 1
keywords = naevus
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2/15. Malignant transformation in congenital sebaceous naevi in childhood.

    Sebaceous naevi are uncommon congenital skin lesions with a well-recognised potential for neoplastic change. They should be considered premalignant lesions as malignant degeneration, most commonly basal cell carcinoma and squamous cell carcinoma, occurs with a lifetime risk of between 5% and 22%. This incidence is equal to that of actinic keratosis and exceeds that of oral leukoplakia. Such change, however, is rare before puberty. Basal cell carcinoma may develop in children with naevoid basal cell carcinoma syndrome, xeroderma pigmentosum and rarely de novo but sebaceous naevus is the only solitary lesion in childhood associated with the development of basal cell carcinoma. We present two cases of malignant transformation in a congenital sebaceous naevus occurring in childhood and review the literature and discuss the evidence upon which to base management guidelines.
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ranking = 2
keywords = naevus
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3/15. Intramucosal naevus with pseudoepitheliomatous hyperplasia in the gingiva: a case report.

    This article describes the unusual case of an intraoral pigmented naevus with pseudoepitheliomatous hyperplasia of the gingiva. A 62-year-old man presented with an almost coal-black pigmented and partly white, spotted, dome-shaped swelling on the lingual gingiva of the mandible. Histologically, the lesion consisted of clusters of round-shaped naevus cells containing melanin granules, reactive with both S-100 immunohistochemical stain and Masson-Fontana silver stain, and pseudoinvasive squamous nests, reactive with cytokeratin. The pathogenesis of the present lesion and problems encountered in its differential diagnosis are discussed.
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ranking = 6
keywords = naevus
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4/15. Squamous cell carcinoma and basal cell carcinoma arising in a naevus sebaceous of Jadassohn: case report and literature review.

    The development of a basal cell carcinoma within a naevus sebaceous of Jadassohn (NSJ) has commonly been reported. However, the development of a squamous cell carcinoma (SCC) is rare. There have been several reports of SCC arising within a NSJ but many contain little or ambiguous clinical information. A thorough review of the current English language literature has identified only three other well documented cases of SCC arising in a NSJ. Of these only one was a case of simultaneous occurrence of squamous and basal cell carcinoma. We report the second case of both malignancies arising within the same NSJ.
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ranking = 5
keywords = naevus
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5/15. Cutaneous collision tumour (melanocytic naevus, basal cell carcinoma, seborrhoeic keratosis): a clinical, dermoscopic and pathological case report.

    The association of contiguous or 'collision' tumours in the same biopsy specimen is not uncommon and is often reported in the literature. The most common association, basal cell carcinoma (BCC) and naevus, is very difficult to diagnose clinically. We describe a 38-year-old woman with a previous history of melanoma, who presented with a modified pigmented lesion of the hip that had begun to change 6 months earlier. Histologically, the lesion was a melanocytic compound naevus and a BCC with a seborrhoeic keratosis. The case was investigated clinically and by focusing on the dermoscopic features and their pathological correlates. Cutaneous collision tumours are extremely difficult to diagnose preoperatively, even with the help of dermoscopy, in particular when one of the lesions is melanocytic.
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ranking = 6
keywords = naevus
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6/15. dermoscopy is useful for the recognition of benign-malignant compound tumours.

    The association of two different neoplasms in the same lesion is uncommon and has been reported as collision or compound tumours in the medical literature. In cases where a malignant neoplasm exists in association with a benign lesion it is important to make an accurate diagnosis in order to treat the lesions correctly. dermoscopy is an in vivo, noninvasive technique that improves the clinical accuracy in diagnosing melanoma and other pigmented skin lesions. We describe the dermoscopic characteristics of various collision or compound tumours that were composed of benign and malignant neoplasms: two cases of seborrhoeic keratosis associated with basal cell carcinoma, two cases of melanocytic naevus and basal cell carcinoma and one case of dermatofibroma associated with basal cell carcinoma. We conclude that dermoscopy is a useful tool for improving the recognition of these kinds of tumours.
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ranking = 1
keywords = naevus
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7/15. Ocular findings in linear sebaceous naevus syndrome.

    The case of a 5-month-old black female child with a linear sebaceous naevus syndrome and multiple congenital anomalies is presented. Ocular malformations consisted of colobomatous changes of the lid and retina, dermoid of the conjunctiva, chorioretinal changes, and peripapillary atrophy of the optic nerve. Systemic findings included midline cleft of the secondary palate with involvement by the naevus, bilateral hearing loss, asymmetrical skull bones, ventricular septal defect, epidermal inclusion cyst, and developmental delay without seizures.
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ranking = 6
keywords = naevus
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8/15. Basal-cell carcinoma of the lower lid in a 27-month-old child.

    Basal-cell carcinoma of the skin is rare in childhood. An unusual case of a 27-month-old girl is described, in whom basal-cell carcinoma afflicted the left lower lid without predisposing cutaneous diseases. The lesion appeared as a naevus, four months before consultation; it developed rapidly and was ulcerated. Treatment was achieved by surgical excision of the lesion. No report of such a young child could be found in the literature.
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ranking = 1
keywords = naevus
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9/15. Multiple metastases from basal cell naevus syndrome.

    A patient with basal cell naevus syndrome (Gorlin-Goltz syndrome) is presented. Of note in the case was the extensive symmetrical tumour invasion of both external auditory canals requiring bilateral radical resection. The patient expired 14 months later, at which time the autopsy revealed widespread metastases to the pleura, diaphragm, pericardium, epicardium and myocardium. Although lung metastases have been reported in this syndrome, no cases have been reported of metastases to these sites.
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ranking = 5
keywords = naevus
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10/15. adult form of basal cell naevus syndrome: a family study.

    A 32-year-old patient had marked reduction of visual acuity due to falciform folds of the retina and retinal detachment, and severe neurological abnormality: bilateral pyramidal involvement, fasciculation in all limbs and gait ataxia. skull radiographs showed internal frontal hyperostosis; CT scan showed calcification of the falx cerebri, and multiple arachnoid cysts were shown by myelography. A naevoid lesion had previously been removed from the left forearm. There was a history of ophthalmological symptoms in the mother and the daughter of the propositus. His son has "cafe au lait" spot on the abdomen and dentigerous cysts. The diagnosis of an adult form of basal cell naevus syndrome with an autosomal dominant mode of inheritance is discussed.
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ranking = 5
keywords = naevus
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