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Introduction: Lichen planus pigmentosus (LPP) is an acquired pigmentary disorder affecting the dark-skinned population. There is a wide range of differentials, with substantial clinicopathological overlap. Dermoscopy may contribute to the better characterization of this dermatosis.

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Article Synopsis
  • Targetoid hemosiderotic hemangioma is a rare, benign skin condition mostly seen in people in their 20s, typically affecting the trunk and lower limbs.
  • It presents as a distinctive violaceous papule surrounded by a pale area and an ecchymotic ring, resembling a target.
  • A case study describes a 23-year-old male with a recurring blue-black lesion on his shoulder, diagnosed as targetoid hemosiderotic hemangioma based on dermoscopic patterns.
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Targetoid Hair Regrowth Pattern in Alopecia Areata: A Case Series.

Int J Trichology

July 2024

Department of Dermatology, Venereology & Leprosy, Bangalore Medical College and Research Institute, Bengaluru, Karnataka, India.

Alopecia areata (AA) is an autoimmune disorder leading to nonscarring hair loss of the scalp and/or body. Atypical hair regrowth in AA is considered a rare phenomenon. Many paradoxical forms of hair regrowth have been described in AA.

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Comparison of clinical and MRI features of hepatic angiosarcoma and epithelioid hemangioendothelioma.

Abdom Radiol (NY)

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Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.

Objective: Differentiating hepatic epithelioid hemangioendothelioma (EHE) and angiosarcoma (AS), the two most common vascular tumors in the liver, is important due to disparities in their prognosis and treatment. We aimed to compare clinical and MRI features of the two tumors.

Methods: This retrospective study included patients with pathologically-confirmed AS or EHE who underwent MRI using gadoxetate disodium between 2008 and 2023.

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Objectives: To establish and validate scoring models for predicting vessels encapsulating tumor clusters (VETC) in hepatocellular carcinoma (HCC) using computed tomography (CT) and magnetic resonance imaging (MRI), and to intra-individually compare the predictive performance between the two modalities.

Methods: We retrospectively included 324 patients with surgically confirmed HCC who underwent preoperative dynamic CT and MRI with extracellular contrast agent between June 2019 and August 2020. These patients were then divided into a discovery cohort (n = 227) and a validation cohort (n = 97).

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