Keywords: MOHS SURGERY, CARCINOMA, BASAL CELL, CARCINOMA, SQUAMOUS CELL

Keywords: CARCINOMA, BASAL CELL; MOHS SURGERY; SURGICAL FLAPS.

Lip cancer corresponds to 25-35% of all oral cancers. Squamous cell carcinoma is the most common histological type in this location (95%). Various wound reconstruction options are described for the exeresis of this type of tumor in the lower lip - the choice depending on the surgeon's experience and the proportion of the final defect regarding the dimensions of the lip. The present article describes the case of a male patient with a wound in the lower lip that was histologically diagnosed as an invasive squamous cell carcinoma. Mohs surgery was implemented and a transposition flap (Abbé flap) was used in the reconstruction of the upper lip. The complete opening of the mouth, without functional impairment of the speech or chewing function, and a favorable aesthetic result, were observed in the follow-up, thus demonstrating the usefulness of this type of reconstruction.

Keywords: MOHS SURGERY; CARCINOMA, SQUAMOUS CELL; RECONSTRUCTION

Lesions in difficult locations within the auricular pavilion have been a major challenge for dermatologic surgeons, since access to their surgical approach tends to be complicated. In this article, the authors describe a case of basal cell carcinoma affecting the lower part of the left auricular concha that was resected by Mohs micrographic surgery, whose approach proved to be challenging. The authors describe a tactic to gain better access and visibility of the surgical field and facilitate the implementation of the procedure.

Keywords: EAR AURICLE; MOHS SURGERY; CARCINOMA, BASAL CELL

The sebaceous nevus of Jadassohn is a congenital hamartoma that may develop into a malignant cutaneous neoplasia. Photodynamic therapy is used to treat actinic keratoses and superficial or nodular basal cell carcinomas, and the cutaneous field cancerization can be observed using the Wood's lamp during the performance of the technique. This article describes a case of photodynamic therapy used in the treatment of a basal cell carcinoma, which developed on a sebaceous nevus, where the field cancerization was demonstrated through the use of Wood's lamp. The procedure is a non-surgical alternative for the treatment of the basal cell carcinoma, with excellent aesthetic outcome. The patient is on clinical follow-up, with absence of recurrence of the neoplasia 18 months after the treatment.

Keywords: CARCINOMA, BASAL CELL; NEVUS, SEBACEOUS OF JADASSOHN; PHOTOCHEMOTHERAPY

Described by Jadassohn and also known as organoid nevus, nevus sebaceous is considered a hamartoma that exhibits follicular, sebaceous, eccrine and apocrine malformations of varying degrees. Between 10% and 30% of patients with sebaceous nevi of Jadassohn are at risk of developing cutaneous or adnexal neoplasia during adulthood. The authors describe the case of a patient with nevus sebaceous of Jadassohn associated with multiple tumors (benign and malignant) of different strains, highlighting the importance of the dermatologist physician’s knowing this entity and how to perform an examination of the scalp.

Keywords: Carcinoma, Basal Cell; Hamartoma; Neoplasms; Nevus sebaceous of Jadassohn

There are a few descriptions in the literature on surgical techniques for the closure of synchronous facial defects. We report three cases of patients with synchronous lesions on the face, which were reconstructed using the following types of flaps: Yin-Yang double-opposing rotation; Burrow's triangle advancement; and a combination of the dorsal nasal flap with the transposition flap. Reconstructions of synchronous facial defects represent challenges to dermatologic surgeons, especially when one of the lesions is located in the nose. In cases involving relatively small defects and not so far apart, there is the possibility of a single flap to close both defects.

Keywords: Surgical flaps; Mohs surgery; Carcinoma, basal cell

A 77-year-old patient presents a case of primary cutaneous ductal eccrine carcinoma in the parietal region of the scalp. The biopsy showed a carcinoma with a ductal and infiltrative pattern, suggestive of metastatic neoplasia. An invasive carcinoma with eccrine tubular pattern was identified. The mastologist and oncologist did not detect primary lesions in other organs. Based on clinical and immunohistochemical analyses, the diagnosis was primary cutaneous eccrine carcinoma. Mohs micrographic surgery was performed with three phases to get a free margin. The tumor presented deep infiltration of the subcutaneous tissue and galea aponeurotica.

Keywords: Carcinoma, intraductal, noninfiltrating; Eccrine glands; Mohs Surgery

Penile cancer is a rare tumor that has a significant impact on patients’ quality of life. In Brazil, the incidence is 5.7 cases/ 100,000 men/year, representing 2% of all types of cancer affecting men in the country and, in 2015, it culminated in 402 deaths. The traditional treatment is total penectomy with perineal urethrostomy and the consequent loss of normal sexual and urinary functions. For the preservation of penile function, organ-sparing surgery is preferred when possible, and Mohs micrographic surgery is an essential surgical alternative.

Keywords: Carcinoma, Squamous Cell; Mohs Surgery; Penile Neoplasms

Basal cell carcinoma over the tattoo region has been poorly reported in the literature, with a total of 13 cases. All cases describe the clinical aspect of the lesion and its pathogenesis but do not characterize the dermoscopy. We report two cases of basal cell carcinoma on tattoos with clinical and dermoscopy features, treated with Mohs micrographic surgery. It was challenging to establish the tumor’s clinical and dermoscopic margins due to the tattoo’s exogenous pigment.

Keywords: Carcinoma, Basal cell; Dermoscopy; Tattooing; Mohs surgery

The recurrent squamous cell carcinoma (SCC) needs an appropriate approach to decrease the risk of recurrences. We report the case of a man diagnosed with SCC on the left temporal region treated by conventional surgery, with infiltration and erythema in the scar area. Reflectance confocal microscopy suggested the diagnosis of recurrent SCC confirmed by histopathology. New surgery and traditional intraoperative frozen section were performed. After two months, the patient had a new relapse, finally treated with Micrographic surgery without new involvement. This article highlights the importance of micrographic surgery in treating SCC, aiming to decrease new recurrences.

Keywords: Skin Neoplasms; Mohs Surgery; Carcinoma, Squamous Cell

Nevus sebaceous of Jadassohn is a congenital skin hamartoma often located on the face and scalp. A small percentage of these tumors evolve into malignant lesions, including basal cell carcinoma. We report a case of an elderly patient with nevus sebaceous since early childhood that evolved with a malignant transformation from the lesion to basal cell carcinoma. The treatment performed was surgical excision using Mohs surgery.

Keywords: Nevus, Sebaceous of Jadassohn; Carcinoma, Basal Cell; Mohs Surgery

O queratoacantoma (QA), apesar de frequente na prática diária, é um tumor que gera questionamentos. O aspecto mais intrigante associa-se à sua posição no limite entre malignidade e benignidade. A abordagem do tumor, bem como sua classificação, é controversa. Na definição da conduta, é importante levar em conta o potencial de transformação para carcinoma espinocelular. Desse modo, a excisão cirúrgica é a terapia de escolha, sempre que possível. Algumas situações merecem atenção adicional, como a imunossupressão associada. Neste artigo, relatamos um caso de QA gigante em um paciente com síndrome da imunodeficiência adquirida tratado com cirurgia micrográfica de Mohs.

Keywords: Ceratoacantoma; Retalhos Cirúrgicos; Neoplasias Nasais; Neoplasias Cutâneas; Cirurgia de Mohs; Síndrome de Imunodeficiência Adquirida; HIV; Imunossupressão

Sarcomas são neoplasias mesenquimais malignas, raras, que acometem, principalmente, crianças e adolescentes. O rabdomiossarcoma, subtipo oriundo da musculatura esquelética, é condição incomum em adultos, acometendo sítios de localização não habitual, crescimento rápido e de difícil tratamento. Apresenta-se caso de adulto jovem com nodulação em lóbulo auricular esquerdo, cuja análise histopatológica e imuno-histoquímica confirmou tratar-se de rabdomiossarcoma alveolar, o qual foi conduzido em conjunto com a Oncologia.

Keywords: Rabdomiossarcoma Alveolar; Miogenina; Desmina; Excisão de Linfonodo

Introduction: Facial skin cancer can be very challenging to surgical treatment. Reconstruction with cervicofacial flap is an adequate option when extensive damage is present. We describe a surgical procedure for complex lesions with high morbidity potential. Case study: 69-year-old woman with a large, recurring sclerodermiform basal cell carcinoma (BCC) in the left zygomatic area. Due to the lesion characteristics, we opt to perform Mohs surgery. A cervicofacial flap was used with good aesthetic results and no relapse. Discussion: The cervicofacial flap is ideal for extensively damaged areas and can be used as an alternative to skin graft.

Keywords: Carcinoma, Basal Cell; Mohs Surgery; Surgical Flaps