Nontraumatic Lesions of the Scalp: Practical Approach to Imaging Diagnosis: <i>Neurologic/Head and Neck Imaging</i>

Carratalá, Rafael Morcillo; Cabezuelo, María Elena Capilla; Herrera, Isabel Herrera; Azabarte, Purificación Calvo; Tapias, S. Dieguez; Presa, Raquel Moreno de la; Tejada, Fátima Ximena Aragón

doi:10.1148/rg.2017160112

Cited by 10 publications

(5 citation statements)

References 3 publications

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“…CT is considered the best diagnostic tool to characterize bone alterations, and MRI is essential for defining lesion extension in both cutaneous and intracranial spaces. 8,14 Despite the tragic outcome of this patient, we acknowledge this case as an opportunity for learning and improvement. In retrospect, the patient's age and rapid growth of his scalp mass argued against the diagnosis of a pilar cyst, which is more likely in adolescents and adults and tends to grow slowly.…”

Section: Discussionmentioning

confidence: 91%

“…US is not adequate to evaluate bone invasion or intracranial involvement. 14 Further cross-sectional imaging (i.e., CT or MRI) is warranted if a mass exceeds US capacity due to size, depth, or malignant traits, such as vascularity or invasion. CT is considered the best diagnostic tool to characterize bone alterations, and MRI is essential for defining lesion extension in both cutaneous and intracranial spaces.…”

Section: Discussionmentioning

confidence: 99%

“…Sonographic features suspicious for malignancy include large size (greater than 5 cm), infiltrative or lobular margins, deep location, and increased flow on color Doppler. US is not adequate to evaluate bone invasion or intracranial involvement 14 . Further cross‐sectional imaging (i.e., CT or MRI) is warranted if a mass exceeds US capacity due to size, depth, or malignant traits, such as vascularity or invasion.…”

Section: Discussionmentioning

confidence: 99%

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A solitary scalp mass as the presenting feature of clear cell sarcoma of the kidney in a pediatric patient

Pascual,

Bruckner,

Torres‐Zegarra

2024

Pediatric Dermatology

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Clear cell sarcoma of the kidney is a rare renal malignancy, accounting for 2%–4% of all pediatric renal tumors. In this case report, we describe a 9‐year‐old boy with an asymptomatic, solitary mass on the scalp, ultimately found to be metastatic clear cell sarcoma of the kidney. This report reviews indications for imaging scalp masses to facilitate making an accurate diagnosis and treatment planning.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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A solitary scalp mass as the presenting feature of clear cell sarcoma of the kidney in a pediatric patient

Pascual,

Bruckner,

Torres‐Zegarra

2024

Pediatric Dermatology

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“…When scalp angiosarcoma is suspected clinically, head CT scan is recommended as the best initial imaging modality to characterize bone alterations that might be related to the lesion. MRI is an essential modality for evaluating the lesion extension for both the skin and intracranial spaces [8] . Generally, radiologic evaluation for suspicious dermatologic lesions is recommended for the assessment of possible bony invasion, orbital affection, perinerual spread, and the extent of tumor invasion in soft tissue and for staging of lymph nodes and metastatic disease [9] .…”

Section: Discussionmentioning

confidence: 99%

Metastatic angiosarcoma of the scalp presented as posttraumatic subgaleal hematoma: The many faces of a diagnostic challenge

Aker

Petkar

Quazi

et al. 2021

Radiology Case Reports

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Angiosarcomas represent highly-aggressive malignant lesions of the endothelial cells of blood vessels, affecting mostly the elderly population, and usually located in the scalp or face. As cutaneous angiosarcomas often metastasize to the lung, they can manifest in various forms. We report a case of a 77-year-old male who presented after a posttraumatic blunt scalp lump that was initially diagnosed as infected subgaleal hematoma. This was later found to be an angiosarcoma. Further workup revealed that the tumor was invading the dura, with a rare pattern of mixed concomitant cystic and solid lung metastasis with ground-glass infiltrates. The patient underwent soft tissue reconstruction with split-thickness skin graft for the scalp lesion and palliative chemotherapy. We are discussing the common manifestations of scalp angiosarcomas and their potential pulmonary metastatic patterns. Also, a review of the differential diagnoses that may mimic cutaneous scalp angiosarcoma will be demonstrated.

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“…The patient was programmed to neurosurgical mass removal for tissue study, but kidney failure halts the process. In the clinical approach of nontraumatic scalp masses, there are 3 main groups: round and well-defined masses (trichilemmal cyst, dermoid cyst, epidermoid cyst, lipoma, slow-flow vascular malformation, and sinus pericranii), soft-tissue infiltrating (plexiform neurofibroma, basal cell carcinoma, and squamous cell carcinoma), and associated with bone lesions (Langerhans cell histiocytosis, intraosseous hemangioma, atypical and malignant meningioma, lymphoma, and metastases) [7 , 8] . Finally, the tissue study was safely performed with fine needle mass biopsy reporting forehead plasmacytoma and pointing to MM as the principal diagnosis.…”

Section: Discussionmentioning

confidence: 99%

Giant forehead plasmacytoma as a growing lump in a patient with multiple myeloma

et al. 2020

Radiology Case Reports

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Extramedullary plasmacytoma represents less than 5% of plasma cell malignancies, 85% corresponding to head and neck masses. Symptoms are related to compressive effects according to location, aesthetics issues and can be misleading associated with soft tissue disorders. In this case report, we discuss a 70-year-old woman who presented with a 3-month history of a growing painless forehead lump and confusion, for which she had an emergent simple head computed tomography scan. The images revealed a well-defined mass eroding the frontal bone with multiple lytic lesions that were also found along with long bones radiography. The mass biopsy showed a monomorphic plasmatic cell infiltrate, bone marrow studies confirmed the diagnosis of a light chain secreting multiple myeloma. Extramedullary plasmacytoma is a very unusual first presentation form of multiple myeloma and represents a clinical and radiological challenge. A systematic approach of lytic bone lesions along with the differential diagnosis of head masses are skills the clinician should develop to promptly recognize this condition considering further complications of delayed treatment. In this case, the histopathological confirmation allowed the patient to avoid neurosurgery and the early start of systemic chemotherapeutic treatment.

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Nontraumatic Lesions of the Scalp: Practical Approach to Imaging Diagnosis: Neurologic/Head and Neck Imaging

Cited by 10 publications

References 3 publications

A solitary scalp mass as the presenting feature of clear cell sarcoma of the kidney in a pediatric patient

A solitary scalp mass as the presenting feature of clear cell sarcoma of the kidney in a pediatric patient

Metastatic angiosarcoma of the scalp presented as posttraumatic subgaleal hematoma: The many faces of a diagnostic challenge

Giant forehead plasmacytoma as a growing lump in a patient with multiple myeloma

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