Rhiannon C Miller, Cynthia M Magro, Laura E Melnick, Shari R Lipner
An acral fibrochondromyxoid tumor is a newly described type of benign soft tissue neoplasm that presents as a single nodular lesion on a finger or toe. There has only been one previous report on this tumor, a case series that described the initial pathologic and clinical findings; however, details on clinical history, physical examination, and outcome are unknown. In this report, we describe a case of a 39-year-old male who presented with a painful enlarging mass involving the distal right 3rd finger and hyponychium...
2023: Case Reports in Dermatology
Samir Shrestha, Bashant Regmi, Raksha Pathak, George Kroumpouzos
Acroosteolysis (AO) is a rare condition characterized by resorption of the distal phalanges of the fingers and/or toes. It can be familial, idiopathic (IAO), occupational, or secondary. Other authors suggest a classification into primary (genetic disorders, lysosomal storage disorders) or secondary AO. Various skin and nail changes have been reported in this condition. However, the cutaneous change on the affected digit(s)/toe(s) during the natural course of AO has been poorly documented. A 5-year-old girl presented with a 3-month history of a distinct transverse boundary between normal skin proximally and affected crusted skin overlying osteolysis distally ("split" sign) on the plantar surface of the third toe...
2023: Case Reports in Dermatology
Mari Nakanishi, Makoto Kondo, Koji Habe, Akinobu Hayashi, Keiichi Yamanaka
Tumors developed in 2 old women presented with pathological findings similar to seborrheic keratosis, although the clinical feature of tumor showed typical keratoacanthoma. In addition to these two cases, we compared the pathological findings of a total of four cases, one case each of keratoacanthoma and seborrheic keratosis, which were clinically and histopathological typical. These two cases and the typical keratoacanthoma showed cell apoptosis by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining and infiltration of cytotoxic T cells...
2023: Case Reports in Dermatology
Nedyalko N Ivanov, Ashley Garvin, Michael J Mahon, Sean Stephenson
Eosinophilic fasciitis (EF) is a rare connective tissue disease which closely resembles other scleroderma-like diseases. EF presents with painful swelling and hardening of the distal limbs and is often preceded by a history of strenuous exercise. The marked fascial fibrosis in EF can lead to joint contractures and causes significant morbidity in affected individuals. The authors present a rare case of EF presenting as an ichthyosiform eruption of the bilateral ankles with gradual improvement after the implementation of oral prednisone, hydroxychloroquine, and methotrexate...
2023: Case Reports in Dermatology
Seth Bernacki, Paarth Dodia, Mikél Elizabeth Muse, Luke Maxfield
This case report details a patient with a history of tuberous sclerosis presenting with new-onset cutaneous lesions that turn out to be sarcoidosis. There may be a shared dysfunction of mTOR present in sarcoidosis and tuberous sclerosis. As a dermatologist, it is worth understanding the cutaneous manifestations of both diseases and maintaining a wide differential when new lesions arise in a patient with a history of either disorder.
2023: Case Reports in Dermatology
Angelo Ruggiero, Wanda Lauro, Chiara Miano, Alessia Villani, Gabriella Fabbrocini, Claudio Marasca
Hidradenitis suppurativa (HS) is an inflammatory skin disease showing a chronic-remitting course. It has been rarely reported that long-term inflammation in HS could lead to serious complications like cutaneous squamous cell carcinoma. Cemiplimab is a fully human antibody immunotherapy that inhibits programmed cell death protein-1, approved for the treatment of locally advanced squamous cell carcinoma, or metastatic squamous cell carcinoma, in patients not eligible for curative surgery or radiotherapy. Herein, we report the case of a 56-year-old patient developing an invasive SCC on longstanding and unresponsive HS lesions successfully treated with cemiplimab...
2023: Case Reports in Dermatology
Mohammad Munshi, Luca Borradori, Nikhil Yawalkar, Kristine Heidemeyer
Pool toes, a sport-related dermatosis, are caused by mechanical friction and water exposure, resulting in a special variant of irritant contact dermatitis. It is common in children, often misdiagnosed, and rarely reported. Here we report a case of a 7-year-old girl who developed this unusual type of frictional dermatitis; a pool toes diagnosis has been made. With topical corticosteroids, favorable results have been achieved. The recovery and healing process will be facilitated if one is aware of the underlying causes of such dermatitis and ceases the triggering factors...
2023: Case Reports in Dermatology
Maria Danielsen, Kristine Pallesen, Rikke Riber-Hansen, Anne Bregnhøj
Prurigo pigmentosa (PP) is probably underdiagnosed due to lack of awareness. Previously, it was assumed that PP primarily affected Japanese females; however, more cases are reported worldwide, and the pathogenesis is still not completely understood. In this case report, we present two healthy Danish siblings, who developed PP approximately 2 weeks after starting a ketogenic diet, suggesting that both increased levels of ketone bodies in the blood together with a genetic predisposition might play a role in the development of PP...
2023: Case Reports in Dermatology
Hitoshi Terui, Rintaro Moroi, Atsushi Masamune, Setsuya Aiba, Kenshi Yamasaki
Palmoplantar pustulosis (PPP) is a chronic skin inflammatory disease in which blisters and pustules repeatedly develop on palms and soles. PPP is often refractory to topical therapy, oral therapy, phototherapy, and biologics that are usually applied for PPP. We report a patient with PPP improved by vedolizumab (anti-α4β7 integrin antibody) treatment for ulcerative colitis, suggesting the possibility of a new molecular target for PPP therapy.
2023: Case Reports in Dermatology
Waseem Alhawsawi, Khalid Al Hawsawi, Bashaer Almahdi, Shahad Alkidaiwi, Khlood Alzubaidy, Reema Alhuthayli, Abdulmohsin Algethami, Alhusain Alshareef
The febrile ulceronecrotic Mucha-Habermann disease is a rare and potentially lethal variant of pityriasis lichenoides et varioliformis acuta (PLEVA). It is characterized by a sudden onset of ulceronecrotic skin lesions associated with high fever and systemic symptoms. Herein, we report a 23-year-old male, not known to have any medical illnesses, presented with a month-long history of persistent fever of unknown origin associated with a sudden onset of progressive diffuse necrotic ulcers and widespread papulosquamous lesions...
2023: Case Reports in Dermatology
Suraj Patel, Mandy Alhajj, Conrad Brimhall
Multicentric reticulohistiocytosis (MRH) is categorized as a rare non-Langerhans cell histiocytosis most commonly seen in women in the fourth to fifth decade of life. This systemic inflammatory condition affects multiple organ systems and can result in severe joint destruction which can progress to arthritis mutilans. To date, various underlying malignancies have been discovered in patients with MRH including breast, gastric, thymic, hepatic, and melanoma. There has been 1 case of underlying renal cell carcinoma reported in a patient diagnosed with MRH...
2023: Case Reports in Dermatology
Masahiro Oka
A 61-year-old man presented with 6-month and 5-day histories of multiple, pruritic nodular eruptions on the trunk and extremities and bullous eruptions on the left foot, respectively. The nodular eruptions had been treated with topical corticosteroids without improvement. He had been diagnosed with diabetes mellitus at the age of 42 years and had been suffering from end-stage renal disease for 1 year. Physical examination revealed scattered violet-brown papules and nodules on the trunk and extremities, many of which had central umbilicated necrosis or keratin plugs...
2023: Case Reports in Dermatology
Yiqiu Yao, Misbah Noshela Ghazanfar, Astrid-Helene Ravn Jørgensen, Hans Christian Ring, Simon Francis Thomsen
Increasing evidence suggests an association between chronic inflammatory conditions and oral health. Herein, we present a case of a 35-year-old woman with concomitant hidradenitis suppurativa (HS) and periodontitis, who was treated successfully with adalimumab. After 3 months of treatment, a marked improvement was observed in her clinical scores of HS, quality of life, as well as her gingival pain and signs of inflammation. This finding calls for a closer collaboration between dermatologists and dentists to further explore the possible beneficial role of biologic therapy for chronic inflammatory skin conditions as well as periodontitis...
2023: Case Reports in Dermatology
Abdulmajeed Alajlan, Abdulaziz Madani, Tala Ammar Qadoumi, Alhanouf Aljaloud, Mohammed Alessa
Erythrodermic psoriasis (EP) is a severe, often refractory, variant of psoriasis. Due to the high morbidity and mortality rate associated with EP and other causes of erythroderma, they are often classified as dermatologic emergencies. EP is usually a therapeutic challenge, where topical and conventional systemic therapies have yielded a less than satisfactory result in several patients. Furthermore, there are a limited number of studies evaluating other therapeutic modalities, such as biologic agents, with no clear treatment guidelines...
May 2022: Case Reports in Dermatology
Sri Linuwih S W Menaldi, Farah Faulin Lubis, Jhauharina Rizki Fadhilla, Sandra Widaty
This paper reports a case of tuberculous dactylitis and multiple scrofuloderma spreading through the lymph nodes. Scrofuloderma, also known as tuberculosis colliquativa cutis , is a form of cutaneous tuberculosis (TB) that occurs most often in children and young adults and involves the skin over the infection focus (i.e., lymph nodes, bones, or joints). Scrofuloderma can affect the lower limbs and upper arms by spreading osteomyelitis TB on the humerus, wrist, and elbow. This study reports the case of a 19-year-old man who initially developed painful and swollen skin, followed by the appearance of numerous recurring lumps on the left arm and hand and the right foot, as well as the folding right hamstring, over 3 years...
May 2022: Case Reports in Dermatology
Til R Kiderlen, Nicola Delmastro, Friedemann Jobst, Maike de Wit
Treatment of metastasized malignant melanoma still has very limited therapeutic options. After exhaustion of immuno-checkpoint inhibition (ICI) and potentially targeted therapy, no promising alternatives are currently available. We report on an 83-year-old patient suffering from disseminated metastatic melanoma who showed an almost complete response to ICI following chemotherapy, after repeated failure of different regimens including two nonresponsive regimens of ICI. The presented outcome suggests a cytotoxic immuno-priming, facilitating a response to prior nonresponsive ICI...
May 2022: Case Reports in Dermatology
Santo Raffaele Mercuri, Giovanni Paolino, Pina Brianti, Matteo Riccardo Di Nicola, Alberto Martini, Andrea Necchi, Francesco Montorsi
The treatment of early-stage penile carcinoma is usually represented by wide excision or partial penectomy with or without inguinal lymph node dissection. However, laser ablation of the tumor may have a prominent role as an organ-sparing approach. In this regard, the combination of UltraPulse CO2 laser and photodynamic therapy (PDT) may be a valid option, especially when surgery is not feasible or refused. UltraPulse CO2 laser allows for the formation of gentle cutaneous abrasion that destroys the malignant tissue and, at the same time, improving the uptake of methyl aminolevulinate and amplifying the photochemical reaction of PDT in the tumor and surrounding tissue...
May 2022: Case Reports in Dermatology
Felix K Zeller, Patrick R Bader, Mirjam C Nägeli, Philipp K Buehler, Reto A Schuepbach
TEN/DRESS overlap syndrome can be difficult to diagnose, especially if it is masked by comorbidities in critically ill patients in intensive care units. The existing therapy for the two conditions is also a major challenge for the treating team. A possible alternative, especially for refractory cases, is benralizumab as an IL-5-receptor alpha-chain-specific humanized monoclonal antibody (IgG1k). We are able to show a successful treatment in this case report.
May 2022: Case Reports in Dermatology
Shinta Trilaksmi Dewi, Hanggoro Tri Rinonce, Kristiana Etnawati, Yohanes Widodo Wirohadidjojo
Pilomatricoma is a rare benign skin adnexal tumor arising from hair matrix cells. It usually manifests as a firm-to-hard, well-circumscribed, nontender nodule often mistaken as a dermoid cyst. However, its clinical presentation has been reported to mimic keloid. In addition, although it occurs most frequently in the head and neck area, pilomatricoma is rarely reported on the auricle. Herein, we reported a case of pilomatricoma occurring on the posterior part of a 9-year-old girl's auricle. Unlike classic pilomatricoma, the tumor closely resembled a keloid...
May 2022: Case Reports in Dermatology
Kozo Kawaguchi, Yuichi Kurihara, Michiaki Akashi, Takeshi Nakahara
Verrucous carcinoma (VC) is a rare subtype of squamous cell carcinoma. VC is histologically a benign tumor, but it grows significantly and eventually forms a huge mass. Many different treatments are known, but the first-line treatment is surgical resection. VC has strong local infiltration and frequently recurs, making its local control very difficult in unresectable cases. We present a rare case of VC that could be treated with combined radiotherapy and Mohs' chemosurgery, as a new option for unresectable VC...
May 2022: Case Reports in Dermatology
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