Diagnosing Basal Cell Carcinoma by Dermatoscopy

1998 ◽  
Vol 3 (2) ◽  
pp. 62-67 ◽  
Author(s):  
David M. Carroll ◽  
Elizabeth M. Billingsley ◽  
Klaus F. Helm
Keyword(s):  
Basal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Blood Vessels ◽  
Basal Cell ◽  
Skin Surface ◽  
Skin Lesions ◽  
Noninvasive Technique ◽  
Cutaneous Malignancy ◽  
Basal Cell Carcinomas ◽  
Pigmented Skin Lesions

Background: Dermatoscopy (DS) has been used primarily to evaluate pigmented skin lesions. Little information is available on DS findings of basal cell carcinoma (BCC). Dermatoscopy is a noninvasive technique that allows visualization of cutaneous features from the skin surface to the papillary dermis. Basal cell carcinoma, the most common cutaneous malignancy, is traditionally diagnosed clinically and confirmed with biopsy. Objective: To determine the dermatoscopic features of non-pigmented basal cell carcinomas. Methods: The dermatoscopic findings of 27 lesions that clinically were suspicious for BCC were analyzed. Results: Of these 27 clinically suspect lesions, the biopsies revealed BCC in 20 specimens and squamous cell carcinoma (SCC) in two specimens. Twenty of these 22 specimens had dermatoscopic findings of BCC: diffusely distributed, branching blood vessels, asymmetric, and narrow blood vessels distributed deeper in the dermis, or a milky-red corona with superficial wide blood vessels. One nodular BCC in our study showed no distinct findings. Conclusions: Many BCCs have characteristic DS findings; however, dermatoscopic examination of some tumours will not demonstrate any known characteristic findings. As such, the DS criteria we propose for BCC are best utilized as an adjunctive study of clinical impressions. Biopsy remains the definitive diagnostic tool.

scholarly journals Evolving eponymous signs in diagnostic dermoscopy

2021 ◽  
Vol 7 (2) ◽  
pp. 98-106
Author(s):  
Shashank Bhargava ◽  
Atul Bothra ◽  
Seujee Das ◽  
Anshu Maheswari ◽  
Mehak Singh
Keyword(s):  
Basal Cell Carcinoma ◽  
Early Diagnosis ◽  
Cell Carcinoma ◽  
Basal Cell ◽  
Skin Lesions ◽  
Skin Melanoma ◽  
Blue Nevus ◽  
Seborrheic Keratosis ◽  
Pigmented Skin Lesions ◽  
Clinical Dermatology

Dermoscopy is a very useful technique devised for an earlier diagnosis of skin melanoma with a clinic-pathological correlation. Later it was found to be beneficial for the diagnosis of many other pigmented skin lesions, such as seborrheic keratosis, pigmented basal cell carcinoma, hemangioma, blue nevus, atypical nevus, and mole, which can often clinically simulate melanoma. Of late, its use in general clinical dermatology is growing with the recognition of new and specific patterns in conditions such as hair disorders, inflammatory disorders, and infections/infestation. It is still in the evolving phase and many new signs are described presently. Eponyms are used almost daily in dermatology practice. The eponyms in dermoscopy, trichoscopy, and onychoscopy are based on the imaginative capability of the authors and they have been very much successful in describing them. It becomes easier to memorize and identify the various appearances for early diagnosis and management. In this article we attempt to highlight the various dermoscopic signs described in dermatology.

scholarly journals Optical Coherence Tomography of Peri-Ocular Skin Cancers: An Optical Biopsy

2020 ◽  
pp. 1-9
Author(s):  
Sabrina Bergeron ◽  
Bryan Arthurs ◽  
Debra-Meghan Sanft ◽  
Christina Mastromonaco ◽  
Miguel N. Burnier Jr.
Keyword(s):  
Squamous Cell Carcinoma ◽  
Optical Coherence Tomography ◽  
Basal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Basal Cell ◽  
Skin Lesions ◽  
Sebaceous Carcinoma ◽  
Optical Coherence ◽  
Oct Imaging

<b><i>Introduction:</i></b> Optical coherence tomography (OCT) imaging has been used as a diagnostic tool for retinal disease for several years, and OCT apparatuses are becoming increasingly powerful. However, OCT has yet to reach its full potential in ophthalmology clinics. Alike retinal layers, it has been shown that OCT is able to generate cross-sectional images of the skin and allows visualization of skin lesions in a histopathology-like manner. <b><i>Objective:</i></b> We aim to validate OCT as an imaging modality for peri-ocular skin cancer. Through a series of cases, we highlight findings for 3 common eyelid malignancies: basal cell carcinoma, squamous cell carcinoma and sebaceous carcinoma. We propose an OCT image-based signature for basal cell carcinoma. <b><i>Methods:</i></b> This is a prospective study. Fifty-eight lesions suspicious of malignancy from 57 patients were subjected to OCT imaging prior to the surgical excision of the lesion. OCT images were analysed and scored according to previously identified OCT features. Eight representative examples are presented, highlighting the OCT patterns for each malignancy side by side to its corresponding histopathological sections. <b><i>Results:</i></b> Out of the 58 lesions analysed, 53 were malignant. A loss of the dermal-epidermal junction is observed in all malignant lesions. A strong link is observed between the presence of subepithelial hyporeflective nests on OCT and the diagnosis of basal cell carcinoma (present in 83% of cases). Conversely, lesions of epithelial origin such as squamous cell carcinoma are most often represented on OCT by acanthosis. Two supplementary cases, one basal cell carcinoma and one sebaceous carcinoma, are provided to illustrate how OCT imaging is a valuable tool in cases where clinical observations may be unusual. <b><i>Conclusions:</i></b> We provide evidence supporting the use of OCT for the evaluation of peri-ocular cancers. OCT enables visualization of the skin layers in vivo, before biopsy. Our results show that certain OCT features can contribute to include or exclude a diagnosis of basal cell carcinoma. By integrating this non-invasive imaging methodology into the routine assessment of peri-ocular skin lesions, especially in health care centres where access to specialists is limited, OCT imaging can increase clinical precision, reduce delays in patient referral and enhance patient care.

Basal Cell Carcinoma of Prostate With MSMB–NCOA4 Fusion and a Probable Basal Cell Carcinoma In Situ: Case Report

2021 ◽  
pp. 106689692110173
Author(s):  
Vilde Pedersen ◽  
Katrine S. Petersen ◽  
Klaus Brasso ◽  
Olga Østrup ◽  
Anand C. Loya
Keyword(s):  
Prostate Cancer ◽  
Basal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Basal Cell ◽  
Carcinoma In Situ ◽  
Pathological Examination ◽  
Molecular Characteristics ◽  
Histological Lesion ◽  
Basal Cell Carcinomas

Basal cell carcinomas of prostate (BCCP) are very rare. Most arise in the transition zone and thus are associated with lower urinary tract symptoms and rarely associated with elevated prostate-specific antigen (PSA). These features make diagnosis/early diagnosis difficult because of the routine protocols followed. Basal cell carcinomas have distinctive histopathological, immunohistochemical, and to some extent also different molecular characteristics. Basal cell carcinoma in situ (BCCIS) is a nonexistent histological lesion as per the current literature, but here is an attempt to describe it through this case. A 74-year-old man presented with hematuria and previous diagnosis of prostatic hyperplasia. Based on this history, he underwent a prostatectomy ad modum Freyer. Pathological examination surprisingly revealed a diffusely infiltrative tumor with nonacinar adenocarcinoma morphology and many glandular structures probably representing BCCIS. Tumor was diagnosed as BCCP. Patient presented with metastasis to the abdominal wall 8 months postprostatectomy. BCCP is an aggressive type of prostate cancer, which might be challenging to diagnose based on routine protocols. This results in delayed diagnosis and treatment and thus poor prognosis. Furthermore, patients with this subtype of prostate cancer need appropriately designed, and maybe a totally different follow-up regimen as PSA is of no use for BCCP patients. Finally, diagnosis of BCCIS, if agreed upon its existence needs to be studied in larger cohorts as a precursor lesion.

scholarly journals Imiquimod 5% cream in the treatment of superficial and nodular basal cell carcinomas: study of 10 cases

2002 ◽  
Vol 77 (6) ◽  
pp. 693-698 ◽  
Author(s):  
Cyro Festa Neto
Keyword(s):  
Basal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Basal Cell ◽  
Topical Treatment ◽  
Imiquimod Cream ◽  
Basal Cell Carcinomas ◽  
Different Types

BACKGROUND: Topical treatment with 5% imiquimod cream has been demonstrated to be effective in patients with basal cell carcinoma. OBJECTIVES: In the present study, efficacy and tolerability of this treatment was analyzed in 10 patients with 13 different types of superficial and nodular basal cell carcinomas. METHODS: Imiquimod cream was applied daily for a mean period of 23 days. RESULTS AND CONCLUSIONS: All patients responded favorably to the drug with healing of the lesions. No recurrence was observed during two to three months of follow up.

scholarly journals Mice with a Targeted Mutation of Patched2 Are Viable but Develop Alopecia and Epidermal Hyperplasia

2006 ◽  
Vol 26 (17) ◽  
pp. 6609-6622 ◽  
Author(s):  
Erica Nieuwenhuis ◽  
Jun Motoyama ◽  
Paul C. Barnfield ◽  
Yoshiaki Yoshikawa ◽  
Xiaoyun Zhang ◽  
...  
Keyword(s):  
Basal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Basal Cell ◽  
Genetic Disorder ◽  
Skin Lesions ◽  
Hair Follicles ◽  
Limb Bud ◽  
Epidermal Hyperplasia ◽  
Phenotypic Analysis ◽  
Developmental Abnormalities

ABSTRACT Hedgehog (Hh) signaling plays pivotal roles in tissue patterning and development in Drosophila melanogaster and vertebrates. The Patched1 (Ptc1) gene, encoding the Hh receptor, is mutated in nevoid basal cell carcinoma syndrome, a human genetic disorder associated with developmental abnormalities and increased incidences of basal cell carcinoma (BCC) and medulloblastoma (MB). Ptc1 mutations also occur in sporadic forms of BCC and MB. Mutational studies with mice have verified that Ptc1 is a tumor suppressor. We previously identified a second mammalian Patched gene, Ptc2, and demonstrated its distinct expression pattern during embryogenesis, suggesting a unique role in development. Most notably, Ptc2 is expressed in an overlapping pattern with Shh in the epidermal compartment of developing hair follicles and is highly expressed in the developing limb bud, cerebellum, and testis. Here, we describe the generation and phenotypic analysis of Ptc2 tm1/tm1 mice. Our molecular analysis suggests that Ptc2 tm1 likely represents a hypomorphic allele. Despite the dynamic expression of Ptc2 during embryogenesis, Ptc2 tm1/tm1 mice are viable, fertile, and apparently normal. Interestingly, adult Ptc2 tm1/tm1 male animals develop skin lesions consisting of alopecia, ulceration, and epidermal hyperplasia. While functional compensation by Ptc1 might account for the lack of a strong mutant phenotype in Ptc2-deficient mice, our results suggest that normal Ptc2 function is required for adult skin homeostasis.

scholarly journals Basal Cell Carcinoma of the Penis: A Case Report and Review of the Literature

2014 ◽  
Vol 2014 ◽  
pp. 1-3 ◽  
Author(s):  
R. J. Roewe ◽  
Matthew A. Uhlman ◽  
Nathan A. Bockholt ◽  
Amit Gupta
Keyword(s):  
Case Report ◽  
Basal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Local Excision ◽  
Basal Cell ◽  
Wide Local Excision ◽  
Rare Entity ◽  
Review Of The Literature ◽  
Basal Cell Carcinomas

Basal cell carcinoma of the penis is an extremely rare entity, accounting for less than 0.03% of all basal cell carcinomas. Fortunately, wide local excision of such lesions is generally curative. Fewer than 25 cases have been reported in the literature describing penile basal cell carcinoma. Here we report a case of penile basal cell carcinoma cured with wide local excision.

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