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Kyrle Disease
A Rare Dermatologic Condition Associated with the Diabetic Foot
We report two cases of biopsy-confirmed Kyrle disease. Kyrle disease is one of the perforating dermatoses associated with diabetic patients undergoing renal dialysis. In this report, we describe the clinical and histopathologic features, the differential diagnoses, and successful treatment of this unusual disorder.
Lymphangioma-like Kaposi's sarcoma (LLKS) is a rare histologic variant of KS. Kaposi's sarcoma is also known as human herpesvirus type 8. The clinical presentation of the LLKS lesion is highly unusual and similar to that of classic KS but with multinodular vascular tumors and lymphedema. We present a 63-year-old native Haitian man with multiple slowly progressive exophytic ulcerated lesions covering more than 60% of his left lower extremity with no systemic involvement. Much confusion surrounded the clinical presentation of these wounds, and we postulated several differential diagnoses. Herein we describe the evaluation, clinical appearance, and progression of LLKS. Due to the rarity of LLKS, treating physicians need to be aware of the clinical presentation and diagnostic criteria of this variant. Despite being incurable, early diagnosis of LLKS can lead to long-term treatment options and a major reduction in symptoms.
Extraskeletal chondroma is a benign tumor that is found most often in the fingers but can be found in the feet as well. A symptom of this lesion is pressure from the slow-growing mass. We present the case of a 58-year-old woman who presented with an extraskeletal chondroma in the plantar aspect of the left first metatarsophalangeal joint with concomitant symptomatic arthrosis at the joint. Operative treatment was excision of the lesion in addition to arthrodesis of the joint attributable to the presence of symptomatic arthrosis. The patient was seen approximately 1 year postoperatively and had no postoperative complications. Distinction between extraskeletal chondromas and other lesions, such as extraskeletal myxoid chondrosarcomas, is critical because delayed treatment of the latter has the propensity to lead to detriment to the patient. Therefore, proper diagnosis is critical.
Soft-tissue chondroma is a rare, benign tumor. It is predominantly found in the hands and feet, but rarely in the toes. In this article, we report a digital soft-tissue chondroma that presented as a painful nodule of 5 years' duration in a 67-year-old man. Physical examination revealed a round, solid, movable nodule measuring 7 mm in diameter. Radiographs showed faint linear calcifications in the nodule under the right hallux proximal phalanx neck. The mass was completely excised, and pathologic observation revealed a mass composed of mature chondrocytes in a cartilaginous matrix, consistent with a chondroma. Even though this is a benign tumor, it needs to be differentiated from other tumors, including schwannoma, leiomyoma, chondrosarcoma, and others. Surgical excision is the preferred treatment.
We present a case of a 59-year-old male veteran with a chronic history of right foot soft-tissue mass that was causing pain in his shoes, but not functional or neurologic symptoms. Excision of the mass and pathologic evaluation resulted in multidisciplinary involvement and evaluation. In this example, the mass was found to be either an unusual schwannoma that happens to be psammoma body–rich or an unusual psammomatous melanocytic schwannoma that deviates from conventional examples, as a diagnostic consensus was unable to be reached. Schwannomas are an uncommon finding in the foot, and even more uncommon are those that contain psammoma bodies. Although rare, these tumors can be concerning for more systemic, life-altering diseases such as Carney complex, for which our patient refused genetic testing.
Background:
The spring ligament fibrocartilage complex (SLFC) is an important static foot stabilizer comprising the superomedial ligament (SML) and the inferior ligament, with anatomical variations (third ligament). The aim of this study was to describe the patterns of the lesions found during SLFC surgery, to allow direct comparison between the results with various surgical techniques.
Methods:
Fourteen consecutive patients with SLFC lesions were analyzed during surgical treatment. The mean patient age was 37.3 years, and the mean time from injury was 6.9 months. Intraoperative assessments and anatomical descriptions of the lesions were collected.
Results:
Three types of lesion were found. In 13 of 14 cases, only the superomedial ligament was involved: five superomedial ligament distentions and eight superomedial ligament ruptures. In one case, total SLFC (superomedial and inferior ligaments) rupture was observed.
Conclusions:
The first classification of SLFC lesions is presented, which is simple, consistent, and based on anatomical description.
