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Extrinsic displacement of the ureter.
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Excessive proliferation of peripelvic fat of the kidney.
Excessive proliferation of the peripelvic fat of the kidney (EPPF) is a benign process with an innocuous effect on the patient. However, this condition may assume major clinical significance by producing pyelocalyceal deformities that may be mistaken for true renal masses. Rarely, EPPF may masquerade as a renal pelvic tumor. We present the second reported case of EPPF simulating a renal pelvic tumor and review the history as well as the characteristic radiographic and sonographic features of this condition.
Idiopathic retroperitoneal fibrosis.
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Primary tumors and cysts of the heart and pericardium.
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Consistent involvement of band 12q14 in two different translocations in three lipomas from the same patient.
We studied cytogenetically three distinct lipomas from a patient with multiple subcutaneous lipomas in the left shoulder area. A breakpoint at 12q14 was involved in structural rearrangements in the three lipomas resulting in two different reciprocal translocations, i.e., t(3;12)(q28;q14) in two and a t(1;12)(q34.2;q14) in the third. These results confirm the consistency of involvement of the breakpoint at 12q14 in lipomas and give support to the hypothesis that multiple lipomas evolve from different stem cells.
Benign lipoblastomatosis: a cervical tumor of children.
Two cases are presented by a rarely reported cause of a supraclavicular mass in the neck of young children. Benign lipoblastomatosis has usually been confused clinically with cystic hygroma. The literature is reviewed and the histological differential diagnosis discussed.
Intra-oral lipomata in association with congenital anomalies: a variant of Mohr's syndrome?
Two cases of intra-oral lipomata occurring in association with congenital anomalies are reported. These appear to be the first such cases described, in what appears to be a variant of Mohr's syndrome.
Hypertrophy and atrophy of fat.
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Farber lipogranulomatosis: an unusual presentation in a black child.
Farber disease, a rare, inherited condition of lipid metabolism usually appears within the first two months of life. The patients may die in the first few years of life or may live into the second decade. We believe this patient to be the first black American reported with Farber disease. Additionally, the characteristics of the disease in this patient were at variance with previously reported cases.
MR findings of macrodystrophia lipomatosa.
Macrodystrophia lipomatosa is a congenital form of localized gigantism characterized by an overgrowth of all mesenchymal elements with a disproportionate increase of adipose tissue. We describe a patient with macrodystrophia lipomatosa affecting the foot who exhibited characteristic MR findings that distinguish the lesion from other conditions associated with localized gigantism.
Lipomatous hypertrophy of the interatrial septum.
Lipomatous hypertrophy of the interatrial septum is a rare condition and it does not require any specific treatment. We present the transoesophageal echocardiogram findings of a 70-year-old lady demonstrating the appearances that were typical of lipomatous hypertrophy of the interatrial septum.
Lipomatous hypertrophy of the interatrial septum presenting as sick sinus syndrome.
Lipomatous hypertrophy of the interatrial septum is a benign cardiac mass characterized by fat accumulation in the interatrial septum. Cardiac arrhythmias including atrial fibrillation, atrial premature contractions and atrioventricular block may occur as a consequence of involvement of the atrial wall and atrioventricular conduction pathways. We describe a patient with lipomatous hypertrophy of the interatrial septum associated with sick sinus syndrome.
Nevus lipomatosus cutaneous superficialis with folliculosebaceous cystic hamartoma.
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Liposuction in men.
Dialogues in Dermatology, a monthly audio program from the American Academy of Dermatology, contains discussions between dermatologists on timely topics. Commentaries from Dialogues Editor-in-Chief Warren R. Heymann, MD, are provided after each discussion as a topic summary and are provided here as a special service to readers of the Journal of the American Academy of Dermatology.
Giant lipomatous tumours of the hand and forearm.
This study examines the presentation, management and outcomes of a series of 10 patients with giant lipomatous tumours (defined as greater than 5 cm diameter) of the hand and forearm who presented to our orthopaedic oncology service. All patients underwent local staging and were discussed at our multidisciplinary tumour meeting prior to definitive surgery. In all cases, neurovascular structures required mobilization in order to excise the tumour. Seven of the tumours were benign lipomas and one was a neural fibrolipoma. The other two were well differentiated lipoma-like liposarcomas/atypical lipomatous tumours. Giant lipomas and well differentiated lipoma-like liposarcomas/atypical lipomatous tumours of the hand and forearm present infrequently and a multidisciplinary approach is recommended in the investigation and surgical management of these patients.
Deforming lipoblastomatosis of the lower extremity.
OBJECTIVE: Lipoblastomatosis is a rare disorder in infants and children and nonexistent in adults. We discuss a case of a newborn child with lipoblastomatosis extensively involving the pelvis and lower extremities. The clinical and radiological characteristics of the disorder are discussed. CLINICAL FEATURES: A 2-month-old male had an enlarging deformity of the pelvis and lower extremities with progression of the condition from birth. There was no family history related to the disease. No other clinical abnormalities were present. INTERVENTION AND OUTCOME: Lipoblastomatosis is initially treated with surgical excision of the lipomatous neoplastic tissue. The postsurgical outcome is satisfactory; however, the likelihood of recurrence has been reported. CONCLUSION: We present the features of lipoblastomatosis, an uncommon disorder affecting infants and children. The clinical and radiologic manifestations of the disease are assessed with emphasis on magnetic resonance imaging.