Cutaneous Squamous Cell Carcinoma: Clinico-Dermoscopic and Histological Correlation: About 72 Cases

INTRODUCTION

Cutaneous squamous cell carcinoma (cSCC) is the second most common skin cancer, accounting for 20% of malignant skin tumors. Dermoscopy is a very useful tool for diagnosing cSCC, and its findings are confirmed through histopathological studies.

OBJECTIVES

to describe the different dermoscopic structures of invasive cSCC and investigate their association with the clinical form and histopathological grade of differentiation.

METHODS

We conducted a cross-sectional study, collecting all patients diagnosed with squamous cell carcinoma over a period of 5 years. The study population was divided into two groups based on histological differentiation (well-differentiated and non-well-differentiated) and clinical form ( nodulo-ulcerative and nodular). Various dermoscopic parameters were compared between these groups.

RESULTS

Out of 72 invasive cSCC, 81.9% were well-differentiated, while 18.1% were non-well-differentiated. The clinical form of cSCC was nodulo-ulcerative in 83.3% of cases and nodular in 16.7%. Well-differentiated tumors showed dotted, glomerular and hairpin vessels, along with a predominant white pattern characterized by centrally distributed keratin as well as white circles, and whitish perivascular halo (P < 0.05). The distribution of these white structures was radial in nodulo-ulcerarive lesions, whereas in nodular lesions, their distribution, as well as that of keratin, was more diffuse (P < 0.05). Non-well-differentiated tumors showed a combined white-red pattern with the predominance of arborizing vessels (P < 0.05).

CONCLUSIONS

Our results show the reliability of dermoscopy as a tool for distinguishing between well- and poorly differentiated cSCC. This distinction is characterized by an increase in predominantly arborizing vessels and a corresponding decrease in white structures as the tumor progresses from a well-differentiated to a poorly differentiated state. Additionally, the nodulo-ulcerative form exhibits a central distribution of keratin, while the nodular form displays a diffuse distribution.

Malignant Melanocytic Matricoma: A Rare Skin Tumor That Can Clinically Mimic Melanoma

Malignant melanocytic matricoma (MMM) is an extremely rare skin malignant neoplasm composed of epithelial cells with matrical differentiation and dendritic melanocytes. We found only 11 cases reported in the literature to date according to the databases consulted (PubMed/Medline, Scopus, and Web of Science). Here, we report a case of MMM in an 86-year-old woman. A histological examination showed a dermal tumor with a deep infiltrative pattern, without an epidermal connection. On immunohistochemical staining, tumor cells were positive for cytokeratin AE1/AE3, p63, and beta-catenin (nuclear and cytoplasmic staining) and negative for HMB45, Melan-A, S-100 protein, and androgen receptor. Melanic antibodies highlighted scattered dendritic melanocytes in tumor sheets. The findings did not support the diagnosis of melanoma, poorly differentiated sebaceous carcinoma, and basal cell carcinoma, but supported the diagnosis of MMM.

Clinical and Dermoscopic Approaches to Diagnosis of Frontal Fibrosing Alopecia: Results From a Multicenter Study of the International Dermoscopy Society

Introduction: Frontal fibrosing alopecia (FFA) is a form of primary lymphocytic scarring alopecia characterized by a progressive recession of the fronto-temporal hairline. Although the clinical presentation of FFA is very typical, biopsy for histopathological examina­tion is still recommended to confirm the diagnosis. Currently, a growing number of skin and mucosal inflammatory diseases are diagnosed with modern noninvasive techniques such as dermoscopy without the necessity of a biopsy. Objectives: The International Dermoscopy Society (IDS) aimed to test the ability of its members to diagnose classic FFA through clinical and dermoscopic parameters and to compare acquired data to the largest cohort studies published since 1994. Methods: This is an observational, cross-sectional study describing patient demographics, clinical presentation and diagnostic tools used in a sample of FFA patients collected by IDS members. A literature search was then performed using Pubmed to review studies reporting more than 100 cases. Results: IDS members submitted 188 cases demonstrating a predominant female population (98.4%). In 71.8% of the cases, the clinical presentation and the trichoscopic findings allowed for the diagnosis. Out of 24 revised studies, 13 showed that clinical and trichoscopic features were decisive for the diagnosis in almost all cases. Conclusions: Demographic and clinical data of our cohort were mostly comparable to previous reported data on FFA. The relevant role of the clinical and trichoscopic features in diagnosing FFA was confirmed by our study and the reviewed literature. Trichoscopy could be considered a worldwide-acknowledged non-invasive technique for the diagnosis of FFA.

[Sarcomatous transformation of Recklinghausen´s disease]

Neurofibromatosis type I is a common genetic disease. Affected patients are 4 times more likely to develop a tumor. Most tumors are benign (neurofibromas). Although these rarely result in malignant tumors, they represent the leading cause of death in patients, thus making neurofibromatosis type I a severe disease. It mainly develops to melanoma, pheochromocytoma, astrocytoma, optic glioma, Wilms tumor of and leukemia. Sarcomatous transformation is exceptional. Early diagnosis is essential. It arises from isolated nodular or plexiform neurofibromas. During the monitoring of patients with NF1 and with plexiform neurofibromas, clinicians should consider the possibility of its transformation into neurofibrosarcoma. This is also the case for rapid increase in tumor size, its hardening, its extremely painful nature or the occurrence of neurological signs. We report the case of a 42-year-old female patient, with childhood history of Von Recklinghausen disease, presenting with pain, bleeding and an increase in plexiform neurofibroma size in the right lower limb (A, B, C). Clinical examination showed coffee-with-milk colored spots, cutaneous neurofibromas and large size ulcerated and painful mass involving all the right lower limb. Computed tomography (CT) scan of the limb objectified a tumoral process at the level of the posterior region of the lower limb. Biopsy of the mass showed malignant peripheral nerve sheath tumor.

Cutaneous tuberculosis in children from the northeastern region of Morocco

INTRODUCTION

In Morocco, tuberculosis is an endemic disease. The aim of this study was to trace the epidemiological, paraclinical, therapeutic, and progressive characteristics of cutaneous tuberculosis (CT) in children.

MATERIALS AND METHOD

This multicenter retrospective and prospective study concerned all pediatric patients followed for CT in our region. The diagnosis was based on comparing clinical, immunological, bacteriological, and histological data.

RESULTS

We found 147 cases of CT, of which 16 cases (10%) were children. The average age was 10.5 years, with extremes ranging from 15 months to 16 years. The sex ratio was 0.75. Deterioration in general condition and weight loss were noted in three cases, and none of the patients was immunocompromised. The clinical forms were essentially scrofuloderma tuberculosis in nine cases (57%), gummas in five cases (35%), a single case each of verrucous tuberculosis and lupus vulgaris. The histological study of the lesions confirmed the diagnosis for all cases by showing a tuberculous granuloma. Multifocal forms were found in one case. Antibacillary treatment was recommended for 6 months in all patients except in the child with a multifocal form whose treatment was prolonged to 9 months. The progression was favorable with total healing in all cases except in a single case that retained sequelae such as bone deformities and scars in most cases.

DISCUSSION

Cutaneous tuberculosis in children is dominated by scrofuloderma and gummy lesions in our region. Despite deterioration in the general condition and weight loss in three cases, none of these children was immunocompromised. Therapeutic management was then carried out based on several clinical and paraclinical arguments and the histological study. Even if the compulsory BCG vaccine in Morocco prevents serious forms, early diagnosis remains the only way to reduce the risk of complications.

CONCLUSION

Cutaneous tuberculosis concerns our pediatric population, multibacillary forms of cutaneous localization is the most frequent one, although the BCG vaccine in Morocco is compulsory.

Sporotrichoid‐like tuberculosis in a child: Unusual clinico‐dermoscopic aspect

Tuberculosis‐ child ‐ Sporotrichoid ‐ clinical image ‐ dermoscopic image‐ correlation.

[Erysipelas associated with recurrent squamous cell carcinoma of the labium majus after radiochemotherapy]

The erysipelas is a bacterial infection most frequently due to (85% of cases) streptococcus β-hemolytic of group A (SGA), resulting in non-necrotizing dermo-hypodermitis. Many factors may play a role in its occurrence such as general factors: diabetes, immunosuppression, chemotherapy, radiotherapy as well as locoregional ports of entry such as leg ulcer, an insect bite, intertrigo. The occurrence of erysipelas associated with recurrent squamous cell carcinoma after radiochemotherapy is exceptional, requiring early treatment of dermo-hypodermitis as well as suitable and multidisciplinary management of the carcinoma. The mechanism of the occurrence of erysipelas after radiotherapy coincides with its pathophysiology. Indeed, this therapeutic component, which is very used to treat squamous cell carcinoma, alters lymphatic drainage resulting, very gradually, in lymph fibrosis thus weakening the defense mechanism. Its association with alteration of cellular immunity, also favored by radiotherapy and chemotherapy, can cause the occurrence of erysipelas in these patients. We report the case of a 50-year old female patient with a 1-year history of squamous cell carcinoma of the right labium majus treatment with radiochemotherapy with remission. Eight months later, the patient had recurrence. Evolution was marked by the appearance of a painful hot erythematous plaque on the right thigh suggesting erysipelas, confirmed by laboratory tests which showed an infection. The patient was put on antibiotic therapy with good improvement and then referred to the Department of Oncology for recurrence management.

Idiopathic harlequin syndrome: a case report and literature review

Harlequin's syndrome is a rare dysautonomic syndrome of the face characterized by sweating with flush of one side and anhidrosis of the contralateral side. Mostly idiopathic although several secondary cases have been reported in the literature, the purpose of the treatment is mainly aesthetic and functional. We report the case of a patient having harlequin syndrome in its idiopathic form with a literature review.

[The role of the micrographic surgery in the management of basal cell carcinoma: experience in the Department of Dermatology, at the Hassan II University Hospital, Fes, Morocco]

La chirurgie micrographique de Mohs (CMM) est une technique permettant le contrôle histologique per-opératoire de la totalité de la marge d'exérèse chirurgicale des tumeurs malignes. Le but de ce travail est de valider l'intérêt de la CMM dans la guérison maximale des carcinomes basocellulaires (CBC) chez nos malades. Sur une période de 5 ans, nous avons retenu 29 patients présentant un CBC de la face. La médiane d'âge était de 45,8 ans (12-80). Le sex-ratio H/F était de 1,23. Une seule étape était nécessaire pour une exérèse complète dans 51% des cas. Le recours à 3 étapes était nécessaire dans 14% des cas. La durée moyenne de l'intervention a été d'une heure pour les cas ne nécessitant qu'une seule étape. Aucune complication n'a été rapportée en post opératoire et les suites étaient simples. Le résultat esthétique et fonctionnel était satisfaisant. Aucune récidive n'a été notée. Le CBC représente environ 80% de tous les cancers de la peau. La décision de traiter le CBC par CMM est basée sur trois variables: le siège et la taille de la tumeur, l'aspect histologique avec la définition de la marge d'exérèse et le caractère récidivant. La CMM est actuellement la méthode la plus efficace pour le traitement du CBC et permet la préservation du maximum de tissu sain. C'est une méthode chirurgicale sûre et reproductible, fondée sur un travail d'équipe et adaptée au traitement des CBC à haut risque de récidive. Les résultats esthétiques et fonctionnels sont satisfaisants. Le taux de récidive à 5 ans est 10 fois inférieur aux autres méthodes.

[Unexpected positive outcome following rituximab treatment in a patient with pemphigus vegetans resistant to conventional therapies: a case report]

Le pemphigus végétant est une variété rare de pemphigus. Il n'y représente que 2%. Plusieurs traitements sont de mise pour traiter cette entité, on retrouve les corticostéroïdes topiques et/ou oraux en 1^ère intension, les immunosuppresseurs tels que l'Azathioprine, la Cyclosporine, le Méthotrexate, le Cyclophosphamide et le Mycophénolate mofétil pour remédier au effet secondaires des stéroides. Certains cas restent réfractaires à tous ces traitements, l'utilisation du Rituximab a fait révolutionner la prise en charge du pemphigus, en particulier sa forme végétante. Nous rapportons le cas d'une patiente de 42ans, admise pour prise en charge d'un pemphigus végétant confirmé histologiquement et mise initialement sous corticothérapie en association avec immunosuppresseur sans amélioration, puis fut mise sous Rituximab avec une évolution spectaculaire.

A prospective study of tinea capitis in children: making the diagnosis easier with a dermoscope

INTRODUCTION

Tinea capitis is a scalp infection caused by different fungi. Etiological diagnosis is based on suggestive clinical findings and confirmation depends on the fungus growth in culture. However, it is not always possible to perform this test due to lack of availability. The association of clinical and dermatoscopic findings in suspected cases of tinea capitis may help the identification of the etiological agent, facilitating precocious, specific treatment.

MATERIALS AND METHOD

We report a prospective descriptive analytical study of 34 children with tinea capitis. We performed a trichoscopic examination of all patients; only six children were able to have the mycological culture.

RESULTS

Trichoscopy was abnormal in all 34 patients; it showed hair shaft abnormalities and, in some cases, scalp disorders too. We found that the comma and corkscrew appearance was found in microsporic tinea capitis, V-shaped hair was mainly seen in inflammatory tinea capitis, scales and follicular keratosis in non-inflammatory tinea capitis, and crusts and follicular pustules in inflammatory tinea capitis. Finally, erythema was seen in trichophytic and inflammatory tinea capitis.

CONCLUSION

We propose a classification of trichoscopic signs of tinea capitis. This classification will enable rapid diagnosis and prediction of the type of fungus before mycological culture, thus a faster and more adapted management. Our study shows the importance of trichoscopy in the diagnosis and monitoring of tinea capitis. We suggest further prospective studies with a larger number of patients with tinea capitis, having performed mycological culture, to confirm this classification.

Painful tumors in a patient with neurofibromatosis type 1: a case report

BACKGROUND

Herein, we report an unusual case of multifocal glomus tumors in the same hand in a patient suffering from neurofibromatosis type 1.

CASE PRESENTATION

The patient was a 37-year-old Moroccan woman, suffering from neurofibromatosis type 1, with intense pain in the fingers, successfully treated with the excision of the tumors. Histology of the lesions confirmed the diagnosis of glomus tumor.

CONCLUSION

We present this case to support the association between glomus tumors and neurofibromatosis type 1. Thus, we strongly recommend that one should suspect a glomus tumor in patients with neurofibromatosis type 1 if such patients have symptoms from finger pulp or nails.

A painless glomus tumor: a case report

Background

Glomus tumor is a benign and vascular hamartoma that originates from the neuromyoarterial cells of the normal glomus apparatus in the reticular dermis. The etiology of glomus tumors is unknown. It usually presents as a small, slightly raised, bluish or pinkish-red, painful nodule of the fingertips and the pulp. we report an atypical case of a patient of painless glomus tumor.

Case presentation

Our patient, a 60-year-old Moroccan man, had a 2.5 cm purplish painless soft tumor, covered with melliciric and hemorrhagic crusts, involving the first phalanx of his right index finger. This tumor was compressing his nail plate. No bony lesions were identified by radiographic studies, but magnetic resonance imaging was suggestive of glomus tumor. Surgical excision was performed with directed healing.

Conclusions

The diagnosis of a glomus tumor is an eventuality even in the absence of pain.

The rainbow pattern in dermoscopy: A zoom on nonkaposi sarcoma skin diseases

The rainbow pattern is currently a subject of debate, it is considered the specific dermoscopic pattern of Kaposi sarcoma. We present in this research correspondence a review of 700 dermoscopic figures of different biopsy-proven skin diseases in our department of dermatology of the Hospital Hassan II of Fez. All the lesions were localized to the limbs except for one lesion of atrophic scar that was localized on the left shoulder. RP was observed in four raised lesions: one case of hypertrophic scar, one case of angiokeratoma, one case of stasis dermatitis and one case of pseudo-Kaposi. These results indicate that the RP may be observed in non-kaposi sarcoma, with new observations of RP in pseudo-Kaposi and angiokeratoma.

Rare tumor in unusual location - glomus tumor of the finger pulp (clinical and dermoscopic features): a case report

BACKGROUND

Glomus tumors are rare, benign, vascular neoplasms arising from the glomus body. Although they can develop in any part of the body, they commonly do so in the upper extremities, most frequently subungual areas. They can be either solitary or multiple. Most typically they present as a small, round, bluish nodule visible through the nail plate with a classic triad of symptoms: hypersensitivity to cold, heightened pinprick sensitivity, and paroxysmal pain. Several tests can help in diagnosing these tumors with multiple imaging tools such as X-ray, magnetic resonance imaging, and ultrasonography. However, only histology can confirm the diagnosis. Complete surgical excision of the tumor is the only effective treatment to achieve pain relief and low recurrence rate.

CASE PRESENTATION

We report here a rare case of a 54-year-old Moroccan Berber woman presenting with a 10-year history of a glomus tumor at an unusual site. Dermoscopy and histology were helpful to confirm the diagnosis.

CONCLUSIONS

We aim to discuss clinical, dermoscopical aspects of this tumor and surgical modalities. We also emphasize the importance of keeping this tumor in mind among the possibilities of differential diagnosis of painful digital nodules.

Dermoscopic Findings and Their Therapeutic Implications in Trichostasis Spinulosa: A Retrospective Study of 306 Patients

Background

Data about the contribution and the implications of dermoscopy in trichostasis spinulosa (TS) are lacking in the literature.

Objective

To describe dermoscopic features of TS in a large sample of patients and to correlate dermoscopy with clinical characteristics of the patients and therapeutic responses to medical treatments.

Methods

A descriptive study was conducted (from October 2015 to June 2016) at the Department of Dermatology of Fez in Morocco. Dermoscopic signs were divided into signs of hair retention (SHR) and follicular keratosis (FK).

Results

SHR was severe in 8.8% and minimal in 40.5% of all cases. Vellus hairs were observed in 81.6% of all cases and hair tufts were described in 48.7%. Dermoscopic blackhead-like structures (DBH) were found in 53.9% of all cases. FK was observed as orange-yellowish keratotic plugs in 92.7% of all cases. Therapeutic demand was significantly related to female gender (p = 0.002) and recurrences after medical treatment (p = 0.004). Complete improvement after medical treatment was only described in patients with DBH and minimal SHR (p = 0.001).

Conclusion

Dermoscopy not only increases the accuracy of the clinical diagnosis in TS, but a new description of dermoscopic classification has also been proposed leading to therapeutic implications.

Beyond classic dermoscopic patterns of dermatofibromas: a prospective research study

BACKGROUND

The usual stereotypical dermoscopic pattern associated with dermatofibromas is a pigment network and central white patch. However, this pattern may be difficult to diagnose in some variant cases. We aimed to describe dermoscopic patterns of dermatofibroma according to its histopathological subtypes, with special emphasis on new and rare dermoscopic features.

METHODS

This prospective study, which was conducted between September 2015 and May 2016 in the Department of Dermatology, University Hospital Hassan II, Fez, Morocco, included 100 cases of dermatofibroma confirmed on clinical and histological grounds. Each lesion was scored for classic, previously reported, or new dermoscopic features.

RESULTS

All our Moroccan patients had a dark skin phototype (Fitzpatrick scale types IV and V). A total of 14 morphological dermoscopic structures were distinguished, and 17 dermoscopic patterns were observed, with the most common pattern being the central white patch and peripheral pigment network (21%). New patterns observed in our study were a white ring around an ulceration (6%), a pigment network with a pigmented ring around follicular openings (2%), and a discreet peripheral network and starlike white patch (3%). A patchy network with white patches was significantly noted in atrophic dermatofibroma (p = 0.01); vascularization was described in both aneurysmal and hemosiderotic dermatofibromas (p = 0.002); and a white ring around an ulceration was noted in aneurysmal dermatofibroma (p < 0.001).

CONCLUSIONS

We provide a description of dermoscopic patterns of dermatofibroma according to its histological subtypes in a dark skin phototype, along with a new report of a white ring around an ulceration as a significant pattern in aneurysmal dermatofibroma.

Granulomatous rosacea: a case report

Background

Granulomatous rosacea is a rare chronic inflammatory skin disease with an unknown origin. The role of Demodex follicularum in its pathogenesis is currently proved.

Case presentation

We report a case of a 54-year-old Moroccan man with a 3-month history of erythematous, nonpruritic papules on the lateral side around the eyes. Dermoscopy and histology confirmed the diagnosis of granulomatous rosacea.

Conclusions

We describe another clinical presentation of granulomatous rosacea with a clinical-dermoscopic-pathological correlation.

Dermoscopic Analysis of Nevus Sebaceus of Jadassohn: A Study of 13 Cases

BACKGROUND

Nevus sebaceus of Jadassohn (NSJ) is a complex cutaneous hamartoma with various clinical appearances.

AIM

To describe different dermoscopic patterns of this nevus according to its evolutionary stages.

METHODS

This was an analytical study of NSJ carried out in the Department of Dermatology at the University Hospital Hassan II, Fez, Morocco.

RESULTS

Thirteen patients with a NSJ were enrolled in the study. Elevated verrucous plaques were noticed in 9 patients, homogeneous tumors were described in 2 NSJ, an alopecic patch was found in 1 case, and we had 1 case of malignant transformation into basal cell carcinoma. The dermoscopic aspects of NSJ described in our study were yellowish or brown globules aggregated in clusters on a yellow background. This pattern was significantly related to the first stage of an alopecic patch (p = 0.001). Whitish-yellow lobular aspect and grayish papillary appearance were significantly related to verrucous plaques (p = 0.003). Homogeneous yellow-whitish pattern was related to nodules (p = 0.005).

CONCLUSION

The establishment of specific dermoscopic features of NSJ according to its evolutionary stages is important for its diagnosis and especially its monitoring in order to detect malignant transformation.

Skin cancer knowledge and attitudes in the region of Fez, Morocco: a cross-sectional study

BACKGROUND

The prevalence of skin cancers is constantly increasing in Morocco, and they have gradually become more aggressive due to a significant delay in the diagnosis. Our aim was to assess the levels of awareness and the influencing factors related to skin cancer knowledge in Morocco.

METHODS

This cross-sectional study was carried out in Morocco through the medium of a validated questionnaire, which contained several items - demographics, skin cancer knowledge and attitudes towards skin cancer patients- during a period of 1 year (2014).

RESULTS

Out of the 700 participants enrolled in the study, 17.9% had never heard of skin cancer, 32.5% had a low score of skin cancer knowledge, 66.7% had a moderate score, and only 0.85% had a high score of skin cancer knowledge. Further, 15.1% of the participants were under the assumption that this cancer is contagious. The sun was the most incriminated risk factor in skin cancer occurrence by 74.3% of the participants, and 57.9% of them believed that prevention is important through using various means of photoprotection. After univariate and multivariate analysis, the influencing factors related to the skin cancer knowledge in Morocco were: the socioeconomic status (P = 0.003, OR = 7. 3) and the educational level (p < 0.001, OR = 20. 9).

CONCLUSIONS

Due to the lack of knowledge or the underestimation of skin cancer in our study population, efforts are needed to promote skin cancer surveillance behaviors in Morocco.

Defining the mimics and clinico-histological diagnosis criteria for mycosis fungoides to minimize misdiagnosis

Background

Mycosis fungoides (MF) is a significant diagnostic challenge; it has various differential diagnosis especially at an early stage. Our aim was to describe mimics of MF clinically and histologically, and to define significant diagnostic criteria of the disease.

Methods

This was a retro-prospective cohort of 370 patients in whom the diagnosis of MF was suspected clinically.

Results

MF was histologically confirmed in 15.4% of cases and rejected in 84.5%. Other identified histologically diagnosis were eczema, psoriasis; nonspecific dermatitis, lichen, lupus; pseudolymphoma, parapsoriasis and toxidermia. 4 patients with palmoplantar MF were wrongly treated as eczema, and 10 patients with psoriasiform MF were initially treated as psoriasis. We also described the clinical, histological and immunohistochemistry diagnostic criteria for distinguishing MF from benign dermatosis.

Conclusions

Misdiagnosis of MF was a real problem for this study, because it shared common clinical and histological characteristics with other inflammatory diseases like eczema and psoriasis. Therefore, defining significant clinico-histological diagnosis criteria of MF would be of great help and would increase the accuracy of the diagnosis.

[The role of dermoscopy in the diagnosis of basosquamous carcinoma]

Basosquamous carcinoma (BSC) is a rare skin cancer which has areas of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) and a transition zone between them. However, dermoscopic features of BSC are not well described in the literature, except for two studies. The aim of this case study was to better identify and clarify the role of dermoscopy in the diagnosis of BSC, although histological confirmation is necessary.

[Paraneoplastic dermatomyositis revealing an undifferentiated nasopharyngeal carcinoma: about a case]

Dermatomyositis (DM) is an inflammatory disease of unknown origin that manifests as a myopathy associated with typical skin lesions. Association between DM and cancer is frequent (from 18% to 32% according to case series). It was described for the first time by Stertz in 1916 in association with gastric cancer. All histological types and sites of cancer in the general population may be associated with DM. Its association with nasopharyngeal carcinoma (NPC) is rarely described and the incidence proportion is 1 case of nasopharyngeal carcinoma per 1.000 persons.