Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0027627 (metastases)
 103,950 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Squamous cell carcinoma (SCC) of the lower lip is a deadly nonmelanoma skin cancer. Its precursor, a distinctive cutaneous neoplasia analogous to cervical dysplasia, is known by the confusing term actinic cheilitis. Solar cheilosis (SC) is a more appropriate designation. It represents incipient SCC in situ. SC is widely recognized as an ultraviolet light-induced precancer of the lower lip that is typically seen in light-skinned individuals and others with poorly pigmented lower lips. Lip SCC is one of the most common malignancies of the oral cavity. SCC is much more likely to metastasize from the lip than cutaneous surfaces, with a 5-year overall survival rate of less than 75%. SC results from long-term exposure to ultraviolet radiation. The occurrence of SC is dose-dependent and is influenced by the patient's solar exposure, age, genetic predisposition, geographic latitude of residence, occupation, leisure activities, and use of lip protective agents. Molecular abnormalities of SC are similar to those of actinic keratosis and facilitate the evolution to SCC. A high degree of clinical suspicion should be maintained, given the malignant nature of this condition. Ulceration and nodularity often indicate progression to SCC. We performed a Medline and Google Scholar search for all articles related to actinic cheilitis, actinic cheilosis, SC, actinic keratosis, solar keratosis, premalignant oral disease, and lip SCC, and have also evaluated many other articles and book chapters. One hundred forty-two peer-reviewed articles were identified as being of particular value. Pertinent facts were selected and analyzed.
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PMID:Solar cheilosis: an ominous precursor: part I. Diagnostic insights. 2224 21

Skin squamous cell carcinomas (SCCs) are arguably the second most common carcinoma of the skin and are responsible for the majority of non-melanoma skin cancer deaths. Gynecologist treated a Caucasian 56-years old female patient for genital wart with podophyllotoxin cream. She did not achieve complete response and therefore she has interrupted the therapy and the collaboration with the gynecologist. At the time of evaluation the lesion had a size of man's palm in anogenital region and showed characteristic features of neoplasm. The regional lymph nodes have produced infiltrated painful bubo. PCR analysis for HPV proved negative. Histopathology revealed well-differentiated squamous cell keratinizing carcinoma from the tumor as well as from the regional lymph node packet. Staging computed tomography scans proved negative and pelvis scans disclosed regional lymphadenopathy underlying the tumor. Palliative radiation therapy (by linear accelerator) was administered for the oversized tumor to the total TD 50.0Gy. The patient died 6 months after diagnostic assessment from cardio-respiratory failure. Staging computed tomography before her death did not disclose distinct metastases in her inner organs. Well-differentiated squamous cell keratinizing carcinoma could be growing endophytically affecting the underlying adipose tissue and musculature, with spreading into the regional lymph nodes. The rate of metastases into inner organs seems to vary according to the aggressiveness and metastatic behavior of each SCC. The case report calls for attention to the importance of collaboration among various specialists assisting in the diagnosis and management of skin neoplasm (Fig. 5, Ref. 12). Full Text in PDF www.elis.sk.
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PMID:Anogenital squamous cell carcinoma in neglected patient. 2250 59

The American Cancer Society estimates that skin cancer is the most prevalent of all cancers with over 2 million cases of nonmelanoma skin cancer each year and 75,000 melanoma cases in 2012. Representative animal cancer models are important for understanding the underlying molecular pathogenesis of these cancers and the development of novel targeted anticancer therapeutics. In this review, we will discuss some of the important animal models that have been useful to identify important pathways involved in basal cell carcinoma, squamous cell carcinoma, and melanoma.
Cancer Metastasis Rev 2013 Jun
PMID:Reconstructing skin cancers using animal models. 2317 61

With a lifetime incidence of approximately 10% in the general population, cutaneous squamous cell carcinoma (CSCC) is the second most common type of nonmelanoma skin cancer. Most CSCCs are benign and can be completely eradicated by surgery or other dermatological procedures. There is, however, a subgroup associated with an increased likelihood of lymph node metastases and, therefore, with high morbidity and mortality. This article analyzes the various factors that define aggressive CSCC. We propose a method for defining high-risk SCC on the basis of a series of major and minor criteria. This method will allow better prognostic evaluation and enable personalized management of patients with high-risk SCC, possibly leading to improved overall survival.
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PMID:Cutaneous squamous cell carcinoma: defining the high-risk variant. 2368 6

Although squamous cell carcinoma (SCC) is the second most common nonmelanoma skin cancer, clinicians have difficulty diagnosing SCC of the toe because its clinical features can mimic other less serious diseases. Clinicians are especially prone to misdiagnose SCC of the toe as diabetic foot ulcer in patients with diabetes mellitus because of the clinical similarity of the 2 ailments. SCC of the toe is generally considered to have a low risk of metastasis. Locoregional or distant metastases without bone or tendon involvement are particularly rare. The authors report here an interesting case of rapidly spreading SCC of the toe with metastasis to multiple lymph nodes and cancer-related lymphedema. Physicians should be aware of the possibility of malignancy when they encounter chronic and recalcitrant ulcerative lesions of the digits.
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PMID:A Digital Squamous Cell Carcinoma Mimicking a Diabetic Foot Ulcer, With Early Inguinal Metastasis and Cancer-Related Lymphedema. 2682 65

Combined positron emission tomography (PET) and computed tomography (CT) scans are widely used in the staging and monitoring of most malignancies. The differential for PET-positive cutaneous lesions includes primary skin cancers, infections, cutaneous metastases from distant malignancies, and benign neoplasms. In dermatology, PET/CT scans have been most widely studied in patients with melanoma and Merkel cell carcinoma. The role of PET/CT scans in the management of other cutaneous malignancies is less clear, but it has shown great promise in the management of patients with squamous cell carcinoma and cutaneous lymphoma. This review seeks to address the usefulness of PET/CT scans in nonmelanoma skin cancer and to provide guidance regarding the management of patients with incidental PET-positive nodules. Currently, there is limited experience with PET/CT scans for staging and monitoring of non-head and neck metastatic basal cell and squamous cell carcinomas, and results show limited sensitivity and specificity. We also address the evidence for management of an incidental PET-positive cutaneous nodule and recommend obtaining a biopsy specimen in patients with a known noncutaneous malignancy, a history of primary skin cancer, or a high risk of either cutaneous or noncutaneous malignancy.
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PMID:The utility of positron emission tomography with and without computed tomography in patients with nonmelanoma skin cancer. 2699 83

Mammary analogue secretory carcinoma is a low-grade salivary gland carcinoma that exhibits analogous features to secretory carcinoma of the breast including the presence of a t(12;15) translocation resulting in the ETV6-NTRK3 gene fusion. Rare cases of purported secretory carcinoma of the skin adnexa have been reported, but their relationship to true secretory carcinoma of the breast and salivary glands is unclear, as they generally do not harbor ETV6 rearrangements. Cases of cutaneous neoplasms with histologic features identical to secretory carcinoma of the breast and salivary glands were identified from the consultation files of 3 academic medical institutions. Immunohistochemistry was performed for S100 protein, mammaglobin and STAT5a. Break-apart fluorescence in situ hybridization was used evaluate for disruption of the ETV6 gene. Six cases of cutaneous secretory carcinoma were identified. The tumors arose in 4 women and 2 men, ranging from 24 to 71 years in age (mean, 47 y). The carcinomas presented in the skin of the axilla (n=4), ventral neck (n=1), and cheek (n=1). The tumors arose in the superficial dermis in association with adnexal structures. None of the patients had a prior or concurrent breast or salivary gland tumor. They were histologically characterized by well-circumscribed but unencapsulated proliferations of bland, eosinophilic cells arranged in microcysts and follicles with intraluminal secretions. Ectopic breast or salivary gland tissue was not identified. The cases were diffusely positive for S100 protein (6 of 6), mammaglobin (6 of 6), and STAT5a (5 of 5). All 6 cases harbored rearrangements of ETV6. All tumors were treated by simple excision alone. No recurrences or metastases developed in the 2 cases with follow-up. Secretory carcinoma of the skin represents a phenotypic, immunohistochemical, and genetic counterpart to secretory carcinoma of the breast and salivary glands. This tumor entity is less anatomically restricted than previously supposed.
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PMID:Secretory Carcinoma of the Skin Harboring ETV6 Gene Fusions: A Cutaneous Analogue to Secretory Carcinomas of the Breast and Salivary Glands. 2763 15

Basal cell carcinoma (BCC) is the most common nonmelanoma skin cancer. If left untreated, BCCs can become locally aggressive or even metastasize. Currently available treatments include local destruction, surgery, and radiation. Systemic options for advanced disease are limited. The Hedgehog (Hh) pathway is aberrantly activated in a majority of BCCs and in other cancers. Hh pathway inhibitors are targeted agents that inhibit the aberrant activation of the Hh pathway, with smoothened being a targeted component. Sonidegib is a novel smoothened inhibitor that was recently approved by the US Food and Drug Administration. This review focuses on BCC pathogenesis and the clinical efficacy of sonidegib for the treatment of advanced BCC.
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PMID:Sonidegib, a novel smoothened inhibitor for the treatment of advanced basal cell carcinoma. 2769 45

The annual incidence rate for melanoma and nonmelanoma skin cancer continues to rise and morbidity and deaths from skin cancer are increasing. Despite advances in therapeutics, the factors that most impact prognosis remain early recognition and removal of neoplasms before deep invasion or metastatic disease can occur. There are numerous public health and screening initiatives that have been introduced to help recognize disease earlier and to increase patients' awareness of signs or changes of lesions that may represent skin cancers. Early recognition and removal of suspicious lesions remains critical in significantly reducing morbidity and mortality associated with skin cancers.
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PMID:Clinical Diagnosis of Skin Cancer: Enhancing Inspection and Early Recognition. 2888 97

The two types of nonmelanoma skin cancer most apt to metastasize to lymph nodes are cutaneous squamous cell carcinoma and Merkel cell carcinoma. The clinical impact of nodal metastases of these cancers is substantial, resulting in intensification of treatment and morbidity and worsened cancer outcomes. Exact best practices are challenging to define as many specific clinical scenarios remain incompletely catalogued, characterized, or studied. In general, the role of radiation therapy is indisputably established as part of the treatment of both of these diseases although its success depends on the best available assessment of extent of disease and appropriate integration into the multimodality care plan.
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PMID:Integrating the Management of Nodal Metastasis Into the Treatment of Nonmelanoma Skin Cancer. 3082 56


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