cartagena, junio 2007 enrique martinez-barba eduardo calonje
TRANSCRIPT
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Cartagena, Junio 2007
Enrique Martinez-Barba
Eduardo Calonje
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Case 1
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Clinical history
• 72-yr-old man
• Axillary skin
• Pruritic hperpigmented, hyperkeratotic patches
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Suggested diagnosis
• (axillary) granular parakeratosis
• No further use of deodorants, improvement within 2 weeks
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Case 2Enrique Martínez-Barba
Eduardo Calonje
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Clinical history
• 58-yr-old woman from Westvleteren
• Presenting with a palpable skin nodule on the right breast
• Mammography/MRI scan: ‘suspicious for malignancy’
Probably the best beer in the world!definitely
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Clinical history (2)
• At the same time a CT abdomen for vague abdominal complaints was performed
• Large (6cm) mass in the small bowel mesentery, extending retroperitoneally
• ‘suspicious for lymphoma’
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Clinical history (3)
• Biopsy from the skin nodule on the breast nodule
• Explorative laparascopy with biopsy of the mesenterial mass
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Skin breast nodule
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Mesenterial mass
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S100- CD1a - CD68+
PAS +/- (a few granules) acid-fast stain (Z-N) - Oil-red-O (fat stain) +
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Diagnosis?
• Clinical/radiological diagnosis: widespread malignancy (carcinoma?), dd lymphoma
• Histology: (nonspecific) fibrosis with collections of foamy macrophages, S100 and CD1a – (excluding LCH)
• Conclusion: “no diagnosis at this point”
• enters Sherlock Holmes.
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“The sherlockholmian pathologist”
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Review of all available biopsy material over 3 years time
• Stomach (cardia)
• Colon
• Tibia fragments
• Skin Breast nodule
• Mesenterial mass
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cd68
Stomach (cardia)
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colon
cd68
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Tibia fragments (bilateral knee prothesis)
CD68
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Diagnosis?
• “Could this be Erdheim-Chester disease (‘lipogranulosis’)?”
• Confirm by Rx legs and bone scintigraphy (bilateral metadiaphyseal sclerosis of long bones is pathognomonic of ECD)
“elementary, my dear Watson”
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Erdheim-Chester disease
Bone, mesentery, retroperitoneal, breast, stomach, colon involvement
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Erdheim-Chester disease
• First described in 1930 by Jacob Erdheim and William Chester• 80 cases have been reported• Histiocytic disorder with lipid-laden macrophages and
characteristic bilateral metadiaphyseal involvement of the long bones
• Differs from LCH in age distribution, macrophage characteristics (S100 and CD1a -) and type of bone involvement (osteosclerotic lesions of long bones versus osteolytic lesions of the axial skeleton)
• Etiology is unknown
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Erdheim-Chester disease
• Nonosseous disease is frequent
– Hypothalamus/hypophysediabetes insipidus– Retro-orbitalexophtalmos– Retroperitonealhydronephrosis– Lunginterstitial fibrosis– Pericardialheart failure
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Mild interlobular septal thickening, patchy ground glass opacities
Pericardial involvement
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ECD prognosis and therapy
• Prognosis is related to the extent of the visceral involvement
• Most patients die within 2 or 3 years following diagnosis, due to congestive heart failure, lung fibrosis or renal insufficiency
• Treatment options include corticosteriods, radiotherapy, chemotherapy and immunotherapy or combination therapy. None have been highly effective and the disease is typically relentless in its course.
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Jacob Erdheim William Chester