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lipomatous

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MYOFIBROBLASTOMA, <span class="search-highlight">LIPOMATOUS</span> VARIANT  A: Low-power view shows a mixed lipom...
Published: 01 January 2024
MYOFIBROBLASTOMA, LIPOMATOUS VARIANT Figure 11-3 MYOFIBROBLASTOMA, LIPOMATOUS VARIANT A: Low-power view shows a mixed lipomatous and spindle cell lesion. B: High power shows the bland spindle cell component, interspersed between adipocytes. Scattered mast cells offer a clue to the correct diagno... More about this image found in MYOFIBROBLASTOMA, LIPOMATOUS VARIANT A: Low-power view shows a mixed lipom...
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<span class="search-highlight">LIPOMATOUS</span> HYPERTROPHY OF THE ATRIAL SEPTUM: RADIOLOGIC FEATURES  Above: T1...
Published: 15 November 2023
LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM: RADIOLOGIC FEATURES Figure 46-5 LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM: RADIOLOGIC FEATURES Above: T1-weighted MRI shows bilobed intense thickening of the atrial septum (yellow arrowhead). Right: Sparing of the valve of the fossa ovalis (yellow a... More about this image found in LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM: RADIOLOGIC FEATURES Above: T1...
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<span class="search-highlight">LIPOMATOUS</span> HYPERTROPHY OF THE ATRIAL SEPTUM  Left: Prominent fatty thickeni...
Published: 15 November 2023
LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM Figure 46-6 LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM Left: Prominent fatty thickening of the atrial septum is present, most notably in the posterior limbus (black asterisk). Right: Sparing of the valve of the fossa ovalis (yellow arrow) creates a du... More about this image found in LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM Left: Prominent fatty thickeni...
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<span class="search-highlight">LIPOMATOUS</span> HYPERTROPHY OF THE ATRIAL SEPTUM  The fatty thickening fills and...
Published: 15 November 2023
LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM Figure 46-7 LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM The fatty thickening fills and distends the normal contours of the septum, making it appear almost encapsulated, although no formal capsule exists. More about this image found in LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM The fatty thickening fills and...
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<span class="search-highlight">LIPOMATOUS</span> HYPERTROPHY OF THE ATRIAL SEPTUM  Left: The lesion consists of a...
Published: 15 November 2023
LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM Figure 46-8 LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM Left: The lesion consists of a combination of immature (brown) fat (black arrows), mature (white) fat, and scattered atrial myocytes. Right: The immature fat may be focally prominent. More about this image found in LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM Left: The lesion consists of a...
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<span class="search-highlight">LIPOMATOUS</span> HAMARTOMA OF ATRIOVENTRICULAR VALVE  There is prominent fatty th...
Published: 15 November 2023
LIPOMATOUS HAMARTOMA OF ATRIOVENTRICULAR VALVE Figure 46-9 LIPOMATOUS HAMARTOMA OF ATRIOVENTRICULAR VALVE There is prominent fatty thickening of the tricuspid valve. More about this image found in LIPOMATOUS HAMARTOMA OF ATRIOVENTRICULAR VALVE There is prominent fatty th...
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<span class="search-highlight">LIPOMATOUS</span> HAMARTOMA OF ATRIOVENTRICULAR VALVE  Left: Prominent fatty thick...
Published: 15 November 2023
LIPOMATOUS HAMARTOMA OF ATRIOVENTRICULAR VALVE Figure 46-10 LIPOMATOUS HAMARTOMA OF ATRIOVENTRICULAR VALVE Left: Prominent fatty thickening obscures the normal spongiosa of the valve (elastic staining). Right: High-power view shows mature (white) adipocytes and collagen fibrils replacing the spo... More about this image found in LIPOMATOUS HAMARTOMA OF ATRIOVENTRICULAR VALVE Left: Prominent fatty thick...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch46
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... cardiac myocytes. LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM: RADIOLOGIC FEATURES Figure 46-5 LIPOMATOUS HYPERTROPHY OF THE ATRIAL SEPTUM: RADIOLOGIC FEATURES Above: T1-weighted MRI shows bilobed intense thickening of the atrial septum (yellow arrowhead). Right: Sparing of the valve of the fossa...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-11
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
..., these features are better appreciated. There are many variants of myofibroblastoma, including epithelioid, cellular, myxoid, collagenized, lipomatous ( fig. 11-3 ), and palisaded ( Table 11-2 ) ( 1 , 2 , 4 ). The epithelioid variant is characterized by more polygonal or epithelioid cells arranged in single file...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch17
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... Coll Cardiol   2009 ; 54 : 664 - 6 . 45. Tansey   DK , Aly   Z , Sheppard   MN . Fat in the right ventricle of the normal heart . Histopathology   2005 ; 46 : 98 - 104 . 46. Voigt   J , Agdal   N.   Lipomatous infiltration of the heart. An uncommon cause of sudden...
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ANGIOLIPOMA  The prominent vascular component of the <span class="search-highlight">lipomatous</span> neoplasm pr...
Published: 01 March 2023
ANGIOLIPOMA Figure 13-12 ANGIOLIPOMA The prominent vascular component of the lipomatous neoplasm produces extensive intratumoral hemorrhage. Pancreatic tissue is seen at lower right. More about this image found in ANGIOLIPOMA The prominent vascular component of the lipomatous neoplasm pr...
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ATYPICAL <span class="search-highlight">LIPOMATOUS</span> TUMOR  Fibrous septa separate lobules of mature adipocy...
Published: 01 February 2023
ATYPICAL LIPOMATOUS TUMOR Figure 5-79 ATYPICAL LIPOMATOUS TUMOR Fibrous septa separate lobules of mature adipocytes, including atypical forms with large hyperchromatic nuclei. More about this image found in ATYPICAL LIPOMATOUS TUMOR Fibrous septa separate lobules of mature adipocy...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 15
Published: 01 March 2023
10.55418/9781933477275-15
ISBN-10: 1-933477-27-X
ISBN: 978-1-933477-27-5
... distribution. Islets are lacking. (Courtesy Dr. N. Ohike, Yokohama, Japan) LIPOMATOUS PSEUDOHYPERTROPHY Figure 15-43 LIPOMATOUS PSEUDOHYPERTROPHY Adipose tissue replaces pancreatic parenchyma in the head of the gland. POLYARTERITIS NODOSUM Figure 15-44 POLYARTERITIS NODOSUM Necrotizing vasculitis...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 15
Published: 01 March 2023
10.55418/9781933477275-02
ISBN-10: 1-933477-27-X
ISBN: 978-1-933477-27-5
... and vasculitides  H. Lipomatous pseudohypertrophy  I. Lymphoepithelial cyst  J. Nodular lymphoid hyperplasia  K. Pseudocyst  L. Retention cyst  M. Simple mucinous cyst  N. Epidermoid cyst in intrapancreatic heterotopic spleen  O. Squamoid cyst  P. Acinar cystic transformation  Q...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 15
Published: 01 March 2023
10.55418/9781933477275-13
ISBN-10: 1-933477-27-X
ISBN: 978-1-933477-27-5
... LIPOMA A large, encapsulated, fatty neoplasm that is characteristically yellow. ANGIOLIPOMA Figure 13-12 ANGIOLIPOMA The prominent vascular component of the lipomatous neoplasm produces extensive intratumoral hemorrhage. Pancreatic tissue is seen at lower right. CYSTIC SCHWANNOMA Figure 13-5 CYSTIC...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-5
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... of cellularity and a rich capillary vascular component. Right: The neoplastic cells are spindled to epithelioid, tend to cluster around the vessels, and are set within a collagenous to edematous stroma. Intralesional adipose tissue is common, and a lipomatous variant, in which the adipose tissue represents most...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-2
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
.... Myxoid change can be prominent in cases with fewer lipomatous components ( fig. 2-10 ). PARATHYROID LIPOHYPERPLASIA Figure 2-10 PARATHYROID LIPOHYPERPLASIA Left: Parathyroid lipohyperplasia is an uncommon type of parathyroid hyperplasia in which multiple parathyroid glands show abundant mature adipose...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-4
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
... ). Frequently, lipomatous or myelolipomatous change is associated with increased activity of the glands in Cushing syndrome. Lymphocytic infiltrates of mixed, cytotoxic, and T-helper cells ( 662 ) are often present. Immunohistochemical Findings. Diffuse synaptophysin expression in PPNAD nodules suggests...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 12
Published: 01 August 2022
10.55418/9781933477220-08
ISBN-10: 1-933477-22-9
ISBN: 978-1-933477-22-0
... in myofibroblastoma overlap significantly with cellular angiofibroma, discussed in the previous section, and spindle cell lipoma, discussed with lipomatous tumors, to the point that these may be considered a spectrum or family of tumors ( 324 ), with the fat component most prominent in spindle cell lipoma...