Palabras clave: cuernos cutáneos, lesiones precursoras, dermatosis asociadas. To be called a horn, the height must be at least one half of the largest diameter. Histopathologically, the, A 9-year-old boy presented with asymptomatic papulonodular lesions on the left half of the chin of 3-years duration. PG preferentially affects the gingiva, but may also occur on the lips, tongue, oral mucosa and palate. It is hard and yellowish-brown in color. The female sex was more affected (64,86%). a result, this case, especially observed in human medicine, is rarely encountered in veterinary medicine. N Engl J Med. Cutaneous horn may arise from a wide range of the epidermal lesions, which may be benign, premalignant or malignant. Nevertheless, the clinical criteria of the cornu cutaneum permit no conclusions to the diagnosis of individual cases. In the literature, a number of observers reported that acrokeratosis verruciformis (Hopf) often evolves in cases of keratosis follicularis. A number of primary lesions underlying the horny material are known to cause this condition. Such lesions usually appear on sun-exposed skin areas We also recommend having a closer look at the development of other typical Darier's skin lesions in the follow-up of patients. OBJETIVO: Identificar histopatologicamente as principais dermatoses que se apresentam clinicamente como corno cutâneo. management of such lesions due to the high incidence of malignant or premalignant change. scleredema adultorum associated with hyperkeratosis. ... 5,7,16,17,24,25 Essa forma de intervenção é indicada, pois, além de ser um tratamento imediato, considera a possibilidade de que exista, na base, uma lesão prémaligna ou maligna com tendências evolutivas, cuja exérese deve ocorrer da maneira mais conservadora possível, garantindo-se uma margem suficiente de segurança. Daley TD, Nartey NO, Wysocki GP. Each chapter concludes with a short bibliography of the most recent and pertinent review articles and classic publications. in sun-exposed areas, particularly the face, ear, nose, forearms, and dorsum of the hands. He presented a new scalp lesion, resembling a horn, in the vertex region 1.5 years after his last follow-up. The possible illnesses cover benign, semi-malignant and malignant skin diseases. Pyogenic granuloma is a well-known localized granulation tissue overgrowth in reaction to mild irritation. Cutaneous horns: Are these lesions as innocent as they seem to be? Their consistencies ranged from soft and mobile to firm and rigid, with red surfaces. Considering the high frequency of pre-malignant lesions and also the presence of malignant lesions it is suggested surgical exeresis followed by histopathological study of the cutaneous horns for confirmation of specific diagnosis. The cause of cutaneous lymphoma is not known. Não foi constatada a associação das lesões com a infecção pelo vírus da leucemia felina. This kind of lesion is more common in Caucasians and in older age groups. Historically, it is also referred to by its Latin name, cornu cutaneum , and less commonly and more eponymously, as cornu cutaneum of Rokitansky, after the German pathologist Baron Carl von Rokitansky. The primary lesion underlying the horny material may be benign, premalignant or malignant. This study showed that the majority of cutaneosus horns occured in areas of the body that are exposed to the sun, predominantly head and upper limbs. A case of cutaneous horn of the lower lip is presented. 3) Vano-Galvan S, Sanchez-Olaso A. Thick dermal collagenous bundles were observed in the horn base. BULGULAR: Çalışmaya 12 kadın (% 75) ve 4 (% 25) erkek hasta olmak üzere 16 hasta dâhil edilmiştir. You can request the full-text of this article directly from the authors on ResearchGate. Cutaneous horns (cornu cutaneum) are uncommon lesions consisting of keratotic material resembling that of an animal horn. The risk of underling malignancy underscores the need for detailed evaluation and prompt management. Cutaneous horn removal from the nose is done with a shave biopsy. TARTIŞMA ve SONUÇ: Cerrahi eksizyonun avantajları, bir seansta lezyonun çıkarılmasına izin vermesi ve düşük nüks oranınlarıdır. Cutaneous horns are skin tumors that resemble an animal’s horn. Even more terrifying is that they’re more common in humans than they are in other animals. Nor purulent secretion neither infection is present [4,5], and a real granuloma is not observed. Gould JW, Brodell RT. Cutaneous horn may arise from a wide range of the epidermal lesions, which may be benign, premalignant or malignant. Ao exame clínico, identificaram-se projeções corniformes originadas nos coxins palmares e plantares. They are usually small and localized but can, in very rare cases, be much larger. Cutaneous horns can occur in sun protected areas. O tratamento instituído incluiu excisão parcial mensal dos cornos cutâneos e acompanhamento clínico do animal. The study involved 42 epulides diagnosed clinically as pregnancy tumors. Unlimited viewing of the article PDF and any associated supplements and figures. The cornu cutaneum is a rarely occurring, clinically defined finding, which can be observed in different skin diseases as morphological variation. The results indicated that the diagnosis of pregnancy tumor is valid clinically in describing a PG occurring in pregnancy, because it describes a distinct lesion not on the basis of histologic features but on etiology, biologic behavior, and treatment protocol. and can overlie certain benign, premalignant, or malignant lesions. In most cases, cutaneous horns are a form of a skin tumor. This kind of lesion is more common in Caucasians and in older age groups. Conclusion: The clinical features found in this study were mostly similar to those in other studies. Thus, the treatment of choice is commonly an excisional biopsy with a narrow margin. Entre as lesões pré-malignas, a queratose actínica foi encontrada em 83,84% dos casos; entre as malignas, o carcinoma espinocelular correspondeu a 93,75% dos casos. Large numbers of plasma cells were found in small foci and mild cases. Very few focal fibrous hyperplasias (fibromas) were diagnosed as pregnancy tumors. The histopathological examination is mandatory in order to establish the nature of the lesion, on which the cutaneous horn develops. The lesions typically occurs in sun exposed areas, particularly the face, ear, nose, forearms, and dorsum of hands. Lesiones precursoras de cuernos cutáneos: estudio retrospectivo de 10 años. Click on the Like button for this video. These were: (i) age--the mean age of the patients whose cutaneous horns showed premalignant or malignant base pathology was 8.9 years greater than the mean age of the patients where base pathology was benign (P less than 0.0005); (ii) sex--males were more likely to develop a cutaneous horn with (pre)malignant base pathology (P less than 0.001); (iii) site--over 70% of all (pre)malignant lesions were found on the nose, pinnae, backs of hands, scalp, forearms and the face; a cutaneous horn found at these sites was 2.1 times more likely to have derived from a (pre)malignant base than from any other part of the body (P less than 0.0001); (iv) geometry of the lesion--lesions with a wide base or a low height-to-base ratio were significantly more likely to show (pre)malignant base pathology. and you may need to create a new Wiley Online Library account. It strongly resembles squamous cell carcinoma (SCC) clinically as well as pathologically. : cornu cutaneum) Diagnosis. Surgical resection was carried out in all the lesions. Neste trabalho, é relatado um caso de um felino da raça Persa, macho, com oito meses de idade e apresentando histórico de espirros. Other sites included the lips (18.52%), buccal mucosa (10.19%) and tongue (8.26%). The purpose of this article is to report an unusual case of extragingival pyogenic granuloma occurring on the lower lip, which presented as a cutaneous horn. Although pyogenic granuloma is a non-neoplastic growth in the oral cavity, proper diagnosis, prevention, management and treatment is very important. (6-17 ay) Operasyonlar sonrası hiçbir olguda komplikasyon ve nüks gelişmemiştir. 16 yaş altında 3 olgu mevcuttu. Physical examination revealed a tapered, right-sided deviation in the frontal region. The Government data in 2016 showed that there are 5510 functioning CHC in India [8]. Cutaneous horn is a clinical diagnosis referring to a conical projection of cornified material above the surface of the skin that resembles a miniature horn. This article presents a large cutaneous horn on the lower lip. Though Cutaneous horn is a clinical diagnosis referring to a conical projection of cornified material above the surface of the skin that resembles a miniature horn. Background: Cutaneous horns are hypertrophic and hyperkeratotic lesions that result from unusual cohesiveness of keratinized material, they may derive from a previous lesion. Cornu cutaneum occurs in association with, or as a response to a wide variety of underlying benign, pre-malignant, and malignant cutaneous diseases. Lesions were firm, nontender, and fixed to the skin. Cutaneous horns, also known by the Latin name cornu cutaneum, are unusual keratinous skin tumors with the appearance of horns, or sometimes of wood or coral. The most common site of its occurrence is on the marginal gingiva (75% of all cases), but other sites intra and extra oral have been reported, ... Cutaneous horn is characterized as a protrusion of conical keratinized material from the skin, resembling a mini animal horn, ... A cutaneous horn occurs more in tissues that are exposed to actinic radiations including scalp, nose, eyelid, lip, chest, neck, and shoulder. In the mouth, PG is manifested as a sessile or pedunculated, resilient, erythematous, exophytic and painful papule or nodule with a smooth or lobulated surface that bleeds easily. Forearm, cartilaginous portion of the ear, legs, and hands may also be affected. Cutaneous horns (cornu cutaneum) are uncommon lesions consisting of keratotic material resembling that of an animal horn.It is a conical- or cylindrical-shaped excessive hyperkeratosis of variable size ranging from few millimeters to several centimeters with a variable in size and shape, such as cylindrical, conical, pointed, transversely or longitudinally corrugated, or curved like a ram's horn. In an attempt to resolve this problem, a study was undertaken to determine whether a significant correlation exists between PG and pregnancy, and whether the clinical term applies to the other epulides. Learn more. El tiempo de evolución promedio fue de 21 meses y 78% predominó en zonas fotoexpuestas. ... B. an den Zehenendgliedern [2,8]. The primary lesion underlying the horny material may be benign, premalignant or malignant. Neither parents nor children have control over factors that may cause the disease. of malignancy is higher. A cutaneous horn is a term given to a protrusion from the keratinized material skin that was formed in a horn shape.13 It may arise from an extensive epidermal lesions range, which may be benign, premalignant, or malignant. The histopathological diagnosis of excisional biopsy was dense hyperkeratosis, with numerous keratinocytes above hyperplastic epidermis and no evidence of malignity. Although they can appear on the skin anywhere on the body, they are most commonly seen on the sun-exposed surfaces, and are often associated with solar keratosis. ... Deri boynuzu (cornu cutaneum) keratinize bir materyalin deride boynuz şeklinde bir çıkıntı oluşturmasıyla karakterize nispeten nadir görülen iyi huylu, premalignant veya malignant bir lezyondur (1,2. Every histopathological report with cutaneous horn diagnosis was reviewed, the variables age, gender, location of lesion, size, evolution and cutaneous horns base pathologies were reviewed. It is a clinical diagnosis and may overlie any benign, premalignant, or malignant conditions. The primary lesion underlying the horny material may be benign, premalignant or malignant. Rare presentation of KA has been reported on upper and lower lip. In our extensive literature search, only two such cases were found. ... A unique case of a 72-year-old man with a large cutaneous horn on the lower lip is presented. Cornu cutaneum (CC) is a well-recognized condition; however, its origin and natural course are not always obvious. This case report with a 4 year-follow-up calls the attention to the uncommon mucocutaneous labial location of PG and to the fact that surgical excision is the safest method for diagnosis and treatment of PG of the lip, even when involving the mucosa and skin. The treatment employed includes removal of cause and excisional biopsy. alt dudak vermilyonu yerleşimli bir kornu kutanei olgusunda altta yatan lezyonun PG olduğunu saptamışlardır. Children, who have had Hodgkin lymphoma, may carry a slightly higher risk of developing cutaneous lymphoma, but this is quite rare. Cutaneous horns are uncommon lesions consisting of keratotic material, resembling that of an animal horn. Images in clinical medicine.Squamous cell carcinoma manifesting as a cutaneous horn. Surgical excision is the most common treatment, [10] but this may result in scars, [11] which is why the use of more conservative treatments, such as cryosurgery [4, ... Os cornos cutâneos são crescimentos córneos compostos de queratina (, ... Souza et al in 2003 reported a case of pyogenic granuloma occurring on the vermilion border of the lower lip, which had an unusual presentation of a cutaneous horn, quite similar to the case in discussion. The mean age was 31.2 years with a range of 9 months to 71 years. ... [1] Another large study which included 230 cutaneous horns reported 58% of either premalignant or malignant changes at their base. The cutaneous horn (cornu cutaneum) is a circumscribed, conical and keratotic lesion, which can hide benign or malignant lesions [1][2][3]. Conclusions: We found no relation between location, size or kind of lesion on the base of cutaneous horns. Learn about our remote access options, Department of Stomatology, School of Dentistry, Universidade Estadual de Montes Claros – UNIMONTES, Minas Gerais, Brazil. A avaliação histológica de biópsia excisional demonstrou hiperqueratose densa, com numerosos queratinócitos sobre epiderme hiperplásica, não sendo identificado nenhum grau de malignidade. Cutaneous horn is an uncommon lesion resembling horn of animals affecting more common in elder caucasians. Oral Surgery, Oral Medicine. Size of the lesions was 5 mm in 55% of the cases. It is suggested that the granuloma is a localised tissue response to a non-specific irritant. Cutaneous horns are seldom seen in cats, especially in young ones. This is a very rare location with only six previous reports in the literature [4. Abstract Hastaların şikâyetleri 2 hafta ve 6 ay arasında değişmekteydi.Olguların ortalama takip süresi 13 aydır. This paper reports a case of KA occurring on the lower lip of a 40-year-old female which had a unique horn-like presentation. Resultados: se encontraron 217 casos de cuernos cutáneos, los cuales fueron más frecuentes en el género femenino (64%) y a una edad promedio de 67 + 17 años. The treatment was mensal trimming off the cutaneous horns and clinical follow up of the animal. Although it is known to show a striking predilection for the gingiva, it can be found extragingivally with varying clinical features that sometimes may mimic more serious lesions such as malignancies. The most common treatment is surgical excision. These changes give this lesion CC can be easily recognized when it resembles animal horn; however, it can assume different shapes that require a physician to be vigilant. Keratoacanthoma (KA) is a relatively common low-grade malignancy that originates in the The lesion was excised, and the patient was histopathologically diagnosed as having CC caused by squamous cell carcinoma. isolated. Conclusiones: no se encontró relación entre la localización o el tamaño de los cuernos cutáneos y el tipo de lesión precursora de los mismos, por lo que sugerimos que los cuernos cutáneos siempre deben ser enviados a estudio histopatológico para su análisis. Cutaneous horns are conical, circumscribed projections formed by desquamation and layering of keratin. 1 This report documents six patients with this lesion seen over a fourteen month period. In this paper, we present three patients with Darier's disease, who have verruciform papules on the dorsal surfaces of the hands and feet. The underlying pathologies were squamous cell carcinoma (1), Kaposi sarcoma (1), cutaneous myxoma (1), eccrine poroma (1) and the remaining two showed only chronic inflammatory changes with subepidermal lymphocytic and macrophage cell infiltrates. Other histological types of malignancies are not usually noted in conjunction with cutaneous horns. It presents a mostly asymptomatic, variably sized, keratotic mass arising from the superficial layers of the skin or deeply from the cutis. The cutaneous horn appears as a funnel-shaped growth that extends from a red base on the skin. It is composed of compacted keratin (the same protein in nails). A cutaneous horn is not a particular lesion but is a reaction pattern of the skin. cornification above the skin surface in response to a wide range of underlying benign and malignant pathological changes. 72 : 196-199. It is a reactional response to constant minor trauma and might be related to hormonal changes. A cutaneous horn, or cornu cutaneum, is a skin lesion made of compacted keratin that forms an exophytic conical projection that becomes curved and resembles a French horn. To our knowledge, this patient is the first reported with, Access scientific knowledge from anywhere. These skin horns often have pre-cancerous or even sometimes cancerous cells in the base. Dermatol Rev Mex 2009;53(6):282-7. O tempo médio de evolução foi de 16,92 meses. Considering its malignant potential, On the basis of an evaluation of oral conditions the aetiology and the pathogenesis of the pyogenic granuloma are discussed. Cutaneous horns are characterized by hyperproliferation and increased cohesiveness of keratin due to unknown mechanism. Pyogenic granuloma (PG) is a benign non-neoplastic mucocutaneous lesion. We also review various known causes of cutaneous horn. ... [7] As PG is benign, knowledge of its clinical characteristics and how to differentiate it from other sinister conditions that it may mimic is very important for all clinicians who work in this area. GİRİŞ ve AMAÇ: Bu çalışmada dudak vermilyon sınırındaki piyojenik granülom tedavisinde cerrahi eksizyon sonrası elektrokoter uygulamasının etkiliğinin değerlendirilmesi amaçlandı. for health screening. Cutaneous horn is a horn-like hyperkeratotic lesion. We are presenting two clinical cases of cutaneous horns of the eyelid diagnosed in a 19 and a 78 year old patient, espectively, which developed on an association of preexisting lesions: chalazion or inclusion cyst, along with moderate dysplasia of the epidermis in both cases. Please check your email for instructions on resetting your password. beobachteten Patienten waren fast ausschließlich älter als 50 Jahre [8]. Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation.. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition.The adjective cutaneous means "of the skin" (from Latin cutis 'skin'). Moreover, a lesion's benign or malignant nature is not obvious in all cases. If you have previously obtained access with your personal account, please log in. The purpose of this paper is to highlight the need for a careful To read the full-text of this research, you can request a copy directly from the authors. The primary lesion underlying the horny material may be benign, premalignant or malignant. Oral Surgery Oral Medicine Oral Pathology. View the article PDF and any associated supplements and figures for a period of 48 hours. This kind of lesion is more common in Caucasians and in older age groups. All rights reserved. An unusual case of a pyogenic granuloma presenting as cutaneous horn on the lower lip in an 11-year-old boy is presented here. 2) Nthumba PM. The clinical diagnosis of such an uncommon extragingival pyogenic granulomra can be quite challenging. Oral Surgery, Oral Medicine, Oral Pathology 1991; This kind of lesion is more common in Caucasians and in older age groups.... Cutaneous horn occurring on the lip of a child - Souza - 2003 - International Journal of Paediatric Dentistry - … Though morphologically similar to horns On examination he had small papular lesions on the left chin varying in size from 1 to 5 mm. Clinically severe cases of Sjögren's syndrome showed the most marked histologic change. This paper describes a mucocutaneous PG on the upper lip, analyzing the clinical characteristics and discussing the features that distinguish this lesion from other similar oral mucosa lesions. Results: We found 217 patients with the diagnosis of cutaneous horn, were more common among female (64%), mean age was 67 + 17 years. (% 18) 2 olguda (% 12,5) lezyon üst dudak, 14 (% 87,5) olguda alt dudak vermilyonu yerleşimliydi. ... [6] Reoccurance is due to incomplete excision, failure to remove etiologic factors or reinjury of lesions. A cutaneous horn is exactly what it sounds like. This is a very rare location, and a literature review revealed only six previous reports [4. Las cinco lesiones precursoras más frecuentes fueron: verrugas virales (35%), queratosis actínicas (22%), carcinoma espinocelular (21%), queratoacantoma (11%) y queratosis seborreicas (6%). Herein, we report a case of horn of penis in a 22-month-old child. The overlying skin was normal. The Gas Insufflation Less Laparoscopic Surgery workshop was organized jointly by General Surgery and Gynecology departments, The Gas Insufflation Less Laparoscopic Tubectomy is much better and less expensive than the traditional tubectomy with Fallopian rings, These are standards that are possible in rural areas. The chapters are organised to coincide with the more recent trends in dental education where students are seeing patients earlier and therefore requiring immediate knowledge of some of the more common and less complicated aspects of oral pathology. However at present there is about 83% shortage of surgeons at these centers. Working off-campus? Cutaneous horn is a relatively uncommon lesion consisting of keratotic material resembling that of an animal horn. The five principal lesions associated with cutaneous horns were viral warts (35%), actinic keratoses (22%), cutaneous squamous cell carcinoma (21%), keratoacanthoma (11%) and seborreic keratoses (6%). We report a 6-year-old girl with scleredema adultorum and hyperkeratosis. Cutaneous horn (cornu cutaneum) is a circumscribed, conical, and hyperkeratotic epidermis projected from the skin surface. We present an unusual case of pyogenic granuloma clinically mimicking a cutaneous horn and suggest that it be included in the initial differential diagnosis as a rare cause of this entity. To identify,from a histopathological point of view, the main clinical dermatoses that are presented ,from a clinical point of view, as cutaneous horn. No lifestyle factors have been definitely linked to childhood cutaneous lymphoma. This kind of lesion is more common in Caucasians and in older age groups. Cutaneous horns are usually keratin tumors on the skin, which appear as horns although sometimes they may look and feel like wood or coral. Unless cases are well documented, the perception of rarity in Africans will most likely persist. There are few case reports of the lesion in African populations in the English literature. Four main features were associated with premalignant or malignant histopathological change at the base of a cutaneous horn (base pathology). Unlimited viewing of the article/chapter PDF and any associated supplements and figures. horn at various unusual sites. Hastaların yaşları 14-42 arasında değişmekteydi. underlying verrucous carcinoma of left buccal mucosa which is a very rare location for such lesion. DISCUSSION. The size of the cutaneous horn was 12 cm length. As localizações mais frequentes das lesões foram: cabeça (35,14%) e membros superiores (31,08%). A case of PG clinically diagnosed as cutaneous horn on the chin in a 38-year-old woman [7] and a case of cutaneous horn on vermillion border of lip in a black child proved to be a PG was reported, Pregnancy tumour: An analysis. Material and method: A retrospective study was performed at the Jalisco Dermatological Institute Dr. Jose Barba Rubio, from January 1, 1997 to December 31, 2006. ... 32Bir diğer olgu sunumunda Souza ve ark. There was about 2.4% improvement in significant outcome measures like mortality. A retrospective study of 643 cutaneous horns examined in our department between 1970 and 1989 revealed that 38.9% were derived from malignant or premalignant epidermal lesions, and 61.1% from benign lesions. Cutaneous horns (cornu cutaneum) are uncommon lesions consisting of keratotic material resembling that of an animal horn. Giant cutaneous horn associated with verruca vulgaris. It was removed under local anesthesia and fixed in 10% neutral buffered formalin. Als Rarität ist das Auftreten eines Cornu cutaneum an den Lippen, im Bereich der bukkalen Mundschleimhaut oder am Penis zu werten [6. Cutaneous horn of the 32 ACTA DERMATOVENEROLOGICA CROATICA Mokos et al. O sexo feminino foi mais acometido (64,86%). Cutaneous horns are uncommon in adults and rare in the pediatric population. 7 olgu (% 43) ise kozmetik nedenler ile kliniğimize başvurdu. Trauma, microtrauma due to toothbrushing and gingival inflammation seem to be pathogenetic elements. Cutaneous horns most frequently occur in elderly individuals, though they are occasionally seen in children (almost always as … Cutaneous horn is a relatively uncommon lesion consisting of keratotic material resembling that of an animal horn. Logically, the diagnostic classification of a cornu cutaneum can take place only on the basis of histopathologic investigations. Cutaneous horns most frequently occur in sites that are exposed to actinic radiation or burns.
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