MRI Diagnosis of aneurysmal bone cyst

Jansen, Jürgen; Terwey, B.; Rama, B.; Markakis, E.

doi:10.1007/bf00383659

Cited by 18 publications

(5 citation statements)

References 9 publications

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“…A CT scan can detect pathological fractures. Cystic ABC presents with multiple fluid-fluid levels in T2WI of MRI, which can differentiate it with other tumors of the hand [6]. However, the solid variants of ABCs do not present with fluid-fluid levels on the MRI.…”

Section: Discussionmentioning

confidence: 99%

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A Lytic Lesion in Proximal Phalanx of Hand: A Case Report and Diagnostic Approach

Sreenivas

Parthasarathy

Ajayakumar

2021

Case Rep Orthop Res

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Lytic lesions arising in the hand can be confused with an enchondroma. Enchondroma is the most common tumor of the hand and can present with varied features. It often requires only observation. A dilemma arises when surgically treatable lesions like aneurysmal bone cyst (ABC) present in uncommon locations like the hand. To diagnose a lytic lesion in the hand, percutaneous biopsy is commonly done. But, percutaneous biopsy is unnecessary in enchondroma and may not be useful in conditions like simple bone cyst and ABC. In such situations, magnetic resonance imaging (MRI) can differentiate between the most frequent benign lesions of the hand thereby reducing the need for invasive procedures. We present a 25-year-old lady who presented with a painless right index finger swelling for the past 6 months. Radiographs revealed a lytic expansile lesion in the proximal phalanx of the hand. MRI showed multiple fluid-fluid levels. Curettage and autologous iliac crest bone grafting was done. Histopathology confirmed the diagnosis of an ABC. The patient was followed up for 12 months without any recurrence. We briefly review the paucity of literature on the diagnostic approach to benign lytic lesions of the hand.

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Section: Discussionmentioning

confidence: 99%

“…ABC has a propensity for local recurrence, especially in the initial 2 years. Recurrence rates can be up to 30–50% in incomplete resections [6].…”

Section: Discussionmentioning

confidence: 99%

A Lytic Lesion in Proximal Phalanx of Hand: A Case Report and Diagnostic Approach

Sreenivas

Parthasarathy

Ajayakumar

2021

Case Rep Orthop Res

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“…In comparison, aneurysmal bone cysts (ABC) reveal well-delineated expansile lesions surrounded by a fibrous capsule with hypointense signal intensity on all sequences with internal septations with hypointense signal intensity, separating the multiple cystic components of the lesion, which show up as fluid-fluid levels. 10,11 Giant cell tumors, on the other hand, reveal low-signal intensity regions on T2-weighted images and intermediate signal intensity on T1-weighted images which are related to the presence of hemosiderin from prior hemorrhage.…”

Section: Discussionmentioning

confidence: 99%

Epidermal Inclusion Cyst of the Styloid Process: A Case Report

et al. 2008

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We report an unusual case of epidermal inclusion cyst of the styloid process which presented to us with decreased hearing and tinnitus. The patient underwent complete excision via a combined postaural cervical approach. The unusual location of the tumor and the absence of a history of trauma or intervention in that area added confusion to the diagnosis, which was finally made on histopathology.KEYWORDS: Epidermal inclusion cyst, styloid process, intraosseous cyst, aneurysmal bone cyst Epidermal or epidermoid inclusion cysts have been infrequently seen in bone. Such cases occur most frequently in the flat intradiploic calvarial bones and terminal phalanges, 1 with occasional mention of cases of the temporal bone, sphenoid, 2 or maxilla. We present an unusual case of epidermal inclusion cyst of the styloid process mimicking a glomus jugulare tumor. To the best of our knowledge, such an unusual site of presentation has not been mentioned in the literature. CASE REPORTA 26-year-old male patient was referred to a specialized cancer center with a history of decreased hearing in the right ear over the past 3 months. This patient had a history of associated unilateral tinnitus. There was no history of otorrhea, otalgia, prior ear surgery, or any trauma to the head-neck region. Examination of the ear revealed a nonpulsatile bulge in the anteroinferior wall of the right external auditory canal with an intact tympanic membrane, which was hard in consistency. A neurological examination of the patient was normal. Pure tone audiogram revealed a mild conductive hearing loss of 30 dB in the right ear. A computed tomography (CT) scan showed a homogenously enhancing soft tissue mass in the region of the right jugular foramen and styloid process, abutting the petrous bone and posterior border of the carotid canal, and bulging into the external auditory canal,

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“…Even in such cases, the boundary between the lesion and the surrounding soft tissues is distinct, smooth, and clear (HUDSON 1984). Upon intravenous administration of contrast medium, aneurysmal bone cysts mayor may not enhance (BRET et al1982, HUDSON 1984, JANSEN et al 1990, WANG et al 1984. In these cases, the dependent layer tends to have a higher density than the supernatant.…”

Section: Aneurysmal Bone Cystmentioning

confidence: 99%

Diagnosis and Therapy of Spinal Tumors

Algra¹,

Valk²,

Heimans³

1998

Medical Radiology

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The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use.Product liability: The publishers cannot guarantee the accuracy of anr information about dosage and application contained in this book. In every individual case the user must check such information by consulting the relevant literature. Cover design: de'blik, Berlin Typesetting: Verlagsservice Teichmann, Mauer SPIN,10111594 21/3135 -5 4 3 210 -Printed on acid-free paper ForewordSpinal Tumors are relatively rare conditions, but they present distinct and specific clinical and radiological features.Modern radiological imaging techniques, especially the new cross-sectional methods such as CT and magnetic resonance imaging, allows us nowadays to depict the exact localization and extent of these lesions more clearly. Moreover, the specific findings of these different morphological diagnostic modalities yield deeper insight into the exact nature of these tumors and their differential diagnosis.During the past few years, important progress in the therapy of spinal tumors has been achieved. Information about these new developments, however, is disseminated throughout the medical literature and scattered across the different medical disciplines. Furthermore, opinions regarding the best diagnostic approach and/or therapy are not always concordant.The editors of this book should be congratulated to bringing together several international authorities with particular expertise in the diagnosis and the treatment of spinal tumors.Together, these authors provide a complete overview of the currently prevailing diagnostic algorithms and therapeutic strategies for spinal tumors.The book will therefore suit excellently the needs of all physicans involved in the management of patients which such tumors: neurologists, neurosurgeons, orthopedic surgeons and radiologists. It will be of particular interest to radiologists, who are nowadays responsible not only for the diagnosis of these tumors but also, in some cases, for their non-surgical treatment.Leuven ALBERT L. BAERT PrefaceMany different opinions exist on the diagnostic workup and, particularly, on the therapy of spinal tumors. For instance, there is no consensus on the optimal treatment of spinal compression caused by vertebral metastases.With the advent of new imaging techniques (MRI) and therapeutic regimens, an up-to-date reference work is needed. This book is the first of its kind in that it offers an overview of the opinions of internationally renowned specialists. The editors hope this publication will help to establish rational imaging and therapy protocols for spinal tumors.Alkmaar Amsterdam Amsterdam

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MRI Diagnosis of aneurysmal bone cyst

Cited by 18 publications

References 9 publications

A Lytic Lesion in Proximal Phalanx of Hand: A Case Report and Diagnostic Approach

A Lytic Lesion in Proximal Phalanx of Hand: A Case Report and Diagnostic Approach

Epidermal Inclusion Cyst of the Styloid Process: A Case Report

Diagnosis and Therapy of Spinal Tumors

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