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Utility of optical coherence tomography in basal cell naevus syndrome: A case report.

ABSTRACT: Optical Coherence Tomography (OCT) is a useful non-invasive diagnostic tool for diagnosing and monitoring treatment of basal cell carcinomas. We describe the use of OCT in a patient with Basal Cell Naevus Syndrome. Through measuring tumour depth on OCT, management of individual tumours was triaged accordingly using 0.4 mm tumour depth as a cut-off for surgical and non-surgical management. OCT has potential to reduce unnecessary excisions and associated morbidity in this population of patients.

SUBMITTER: Ho G

PROVIDER: S-EPMC9826408 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Utility of optical coherence tomography in basal cell naevus syndrome: A case report.

Ho Genevieve G Schwartz Rodrigo J RJ Melhoranse-Gouveia Bruna B Guitera Pascale P O'Sullivan Niamh A NA Cheung Veronica K Y VKY Ch'ng Sydney S Martin Linda K LK

The Australasian journal of dermatology 20220920 4

Optical Coherence Tomography (OCT) is a useful non-invasive diagnostic tool for diagnosing and monitoring treatment of basal cell carcinomas. We describe the use of OCT in a patient with Basal Cell Naevus Syndrome. Through measuring tumour depth on OCT, management of individual tumours was triaged accordingly using 0.4 mm tumour depth as a cut-off for surgical and non-surgical management. OCT has potential to reduce unnecessary excisions and associated morbidity in this population of patients. ...[more]

PMID: 36125195

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Project description:Biologic therapies are increasingly used to treat chronic inflammatory skin diseases such as psoriasis and atopic dermatitis. In clinical practice, scores based on evaluation of objective and subjective symptoms are used to assess disease severity, leading to evaluation of treatment goals with clinical decisions on treatment initiation, switch to another treatment modality or to discontinue current treatment. However, this visual-based scoring is relatively subjective and inaccurate due to inter- and intraobserver reliability. Optical coherence tomography (OCT) is a fast, high-resolution, in vivo imaging modality that enables the visualization of skin structure and vasculature. We evaluated the use of OCT for quantification and monitoring of skin inflammation to improve objective assessment of disease activity in patients with psoriasis and atopic dermatitis. We assessed the following imaging parameters including epidermal thickness, vascular density, plexus depth, vessel diameter, and vessel count. A total of four patients with psoriasis or atopic dermatitis were treated with biologic agents according to current treatment guidelines. OCT was used to monitor their individual treatment response in a target lesion representing disease activity for 52 weeks. Psoriatic and eczema lesions exhibited higher epidermal thickness, increased vascular density, and higher vessel count compared to uninvolved skin. An upward shift of the superficial vascular plexus accompanied by smaller vessel diameters was seen in psoriasis in contrast to atopic dermatitis, where larger vessels were observed. A response to biologic therapy was characterized by normalization of the imaging parameters in the target lesions in comparison to uninvolved skin during the observation period of 52 weeks. Optical coherence tomography potentially serves as an instrument to monitor biologic therapy in inflammatory skin diseases. Imaging parameters may enable objective quantification of inflammation in psoriasis or atopic dermatitis in selected representative skin areas. OCT may reveal persistent subclinical inflammation in atopic dermatitis beyond clinical remission.

Project description:BackgroundTreating acute myocardial infarction in the setting of insignificant coronary obstruction is an emerging challenge especially with the application of intracoronary imaging like intravascular ultrasound and optical coherence tomography (OCT). The cardiologists dealing with such patients may consider not to stent if there is intracoronary imaging evidence of minimal thrombus without plaque rupture and the vessel appears patent with settling of chest pain and electrocardiogram (ECG) changes.Case summaryA 47-year-old gentleman presented direct to the emergency department after experiencing retrosternal chest pain with an ECG showing hyperacute anterior T waves. He had ongoing chest pain and was therefore brought to the cardiac cath lab on the primary percutaneous coronary intervention (PCI) pathway. The first picture showed that the proximal left anterior descending (LAD) was occluded (TIMI 0 flow) with evidence of large thrombus burden. Pre-dilating with a 2.5 × 15 mm balloon did not change flow. Aspiration with an Export catheter was carried out for several runs. Most of the thrombus was successfully removed; however, some of it did go into the distal LAD but was successfully retrieved with aspiration catheter. The diagonal branch was occluded with thrombus which was wired followed by thrombus aspiration establishing TIMI II flow. The procedure was covered with Eptifibatide boluses and heparin. After thrombectomy, angiographically there was no obvious lesion present within the LAD. Optical coherence tomography confirmed only mild atheroma with a small amount of plaque and minimal thrombus. There was OCT evidence of plaque erosion without any plaque rupture. The area was above 9 mm2 and we decided not to treat that with a stent. The right coronary artery had an anterior take-off and was unobstructed. In conclusion, the patient had successful primary PCI to LAD with thrombus aspiration and balloon angioplasty only. He was placed on 12 months of dual antiplatelets therapy with Aspirin and Prasugrel.DiscussionThis case highlights the rare presentation of patients with acute myocardial infarction with plaque erosion and the usefulness of OCT in formulating a management plan.

Dataset Information

Utility of optical coherence tomography in basal cell naevus syndrome: A case report.

Publications

Utility of optical coherence tomography in basal cell naevus syndrome: A case report.

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