Primary histiocytic lymphoma of the central nervous system: a neoplasm frequently overshadowed by a prominent inflammatory componentW Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China
Am J Surg Pathol 25:1372-9. 2001
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Idiopathic cervical fibrosis--a new member of IgG4-related sclerosing diseases: report of 4 cases, 1 complicated by composite lymphomaWah Cheuk
Queen Elizabeth Hospital, Hong Kong Sanatorium, Hong Kong
Am J Surg Pathol 34:1678-85. 2010
..Thus lymphoma can supervene in the chronic inflammatory background similar to that recently documented for IgG4-related sclerosing disease of the ocular adnexa...
- Consistent immunostaining for cyclin D1 can be achieved on a routine basis using a newly available rabbit monoclonal antibody
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong, SAR China
Am J Surg Pathol 28:801-7. 2004
..The value of cyclin D1 immunohistochemistry in the differential diagnosis of MCL from other low-grade B-cell lymphomas is also affirmed, but with the caveat that rare cases of B-CLL can also be cyclin D1 positive...
- Splenic hamartoma with bizarre stromal cells
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong
Am J Surg Pathol 29:109-14. 2005
..Only rare bizarre cells stained for desmin in 1 case. It is important to recognize this morphologic variant of splenic hamartoma in order not to misinterpret the bizarre cells as being indicative of a malignancy...
- Microthymoma: definition of the entity and distinction from nodular hyperplasia of the thymic epithelium (so-called microscopic thymoma)
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong, SAR China
Am J Surg Pathol 29:415-9. 2005
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- Metallic implant-associated lymphoma: a distinct subgroup of large B-cell lymphoma related to pyothorax-associated lymphoma?
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong SAR, China
Am J Surg Pathol 29:832-6. 2005
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- IgG4-related sclerosing disease: a critical appraisal of an evolving clinicopathologic entity
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong
Adv Anat Pathol 17:303-32. 2010
..The nature and pathogenesis of IgG4-related sclerosing disease are still elusive. Occasionally, the disease can be complicated by the development of malignant lymphoma and possibly carcinoma...
- Lymphadenopathy of IgG4-related sclerosing disease
Wah Cheuk
Department of Pathology, Queen Elizabeth, Kowloon, Hong Kong
Am J Surg Pathol 32:671-81. 2008
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- Ocular adnexal lymphoma associated with IgG4+ chronic sclerosing dacryoadenitis: a previously undescribed complication of IgG4-related sclerosing disease
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong
Am J Surg Pathol 32:1159-67. 2008
..Nonetheless, these cases are distinctive in that the neoplastic cells express IgG4 (light chain restricted), whereas unselected cases of ocular adnexal lymphomas do not show IgG4 expression...
- IgG4-related sclerosing mastitis: description of a new member of the IgG4-related sclerosing diseases
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong
Am J Surg Pathol 33:1058-64. 2009
..In summary, IgG4-related sclerosing mastitis appears to be a distinctive form of mastitis, sometimes accompanied by other components of IgG4-related sclerosing disease, and shows a favorable clinical outcome...
- IgG4-related Sclerosing disease: a potential new etiology of cutaneous pseudolymphoma
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital Hong Kong, SAR China
Am J Surg Pathol 33:1713-9. 2009
..In summary, IgG4-related sclerosing disease can manifest with skin lesions, and is also one of the potential etiologies of cutaneous pseudolymphomas...
- Intraductal carcinoma of the oral cavity: a case report and a reappraisal of the concept of pure ductal carcinoma in situ in salivary duct carcinoma
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong
Am J Surg Pathol 28:266-70. 2004
..It may represent the preinvasive phase of some invasive salivary duct carcinomas but by itself is nonmetastasizing and associated with an excellent prognosis...
- Clear cell variant of fibrolamellar carcinoma of the liver
W Cheuk
Department of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong
Arch Pathol Lab Med 125:1235-8. 2001
..Clear cell fibrolamellar carcinoma should not be confused with conventional clear cell hepatocellular carcinoma, since the former is associated with a more favorable prognosis...
- Intestinal inflammatory pseudotumour with regional lymph node involvement: identification of a new bacterium as the aetiological agent
W Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong
J Pathol 192:289-92. 2000
..The importance of searching for an infective agent in inflammatory pseudotumour in the appropriate setting is re-emphasized...
- Epstein-Barr virus-associated smooth muscle tumour: a distinctive mesenchymal tumour of immunocompromised individuals
W Cheuk
Department of Pathology and Medicine, Queen Elizabeth Hospital, Kowloon, Hong Kong
Pathology 34:245-9. 2002
..The literature on this uncommon entity is critically reviewed and the differential diagnosis is also discussed...
- Cotyledonoid leiomyoma: a benign uterine tumor with alarming gross appearance
W Cheuk
Department of Pathology, Queen Elizabeth Hospital, Wylie Rd, Kowloon, Hong Kong ROC
Arch Pathol Lab Med 126:210-3. 2002
..Increased awareness of this grossly alarming variant of benign uterine leiomyoma can help avoid overtreatment...
- Immunostaining for thyroid transcription factor 1 and cytokeratin 20 aids the distinction of small cell carcinoma from Merkel cell carcinoma, but not pulmonary from extrapulmonary small cell carcinomas
W Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong
Arch Pathol Lab Med 125:228-31. 2001
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- Inflammatory pseudotumor-like follicular dendritic cell tumor: a distinctive low-grade malignant intra-abdominal neoplasm with consistent Epstein-Barr virus association
W Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong
Am J Surg Pathol 25:721-31. 2001
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- Diffuse large B-cell lymphoma associated with chronic inflammation as an incidental finding and new clinical scenarios
Florence Loong
Department of Pathology, Queen Mary Hospital, Hong Kong, China
Mod Pathol 23:493-501. 2010
..These cases therefore expand the spectrum of this entity to include new clinical scenarios for the development of this lymphoma type...
- Immunostaining for human herpesvirus 8 latent nuclear antigen-1 helps distinguish Kaposi sarcoma from its mimickers
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong, SAR China
Am J Clin Pathol 121:335-42. 2004
..The results idicate that positive immunostaining for HHV-8 LNA- 1 exhibits high sensitivity and specificity for the diagnosis of KS and is, thus, useful for distinguishing it from the mimickers...
- Lymphadenopathy of IgG4-related disease: an underdiagnosed and overdiagnosed entity
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong, SAR, China
Semin Diagn Pathol 29:226-34. 2012
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- IgG4-related sclerosing pachymeningitis: a previously unrecognized form of central nervous system involvement in IgG4-related sclerosing disease
Siu Ki Chan
Department of Pathology, Kwong Wah Hospital, Kowloon, Hong Kong
Am J Surg Pathol 33:1249-52. 2009
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- Regression of gastric large B-Cell lymphoma accompanied by a florid lymphoma-like T-cell reaction: immunomodulatory effect of Ganoderma lucidum (Lingzhi)?
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong
Int J Surg Pathol 15:180-6. 2007
..On questioning, the patient had taken megadoses of Ganoderma lucidum, which might have triggered the successful immune reaction...
- Solitary superficial angiomyxoma in the eyelid
Hunter K L Yuen
Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, 3 F Hong Kong Eye Hospital, 147K Argyle Street, Kowloon, Hong Kong, SAR, People s Republic of China
Am J Ophthalmol 139:1141-2. 2005
..To report the clinicopathologic features of a solitary superficial angiomyxoma arising in the eyelid...
- Malignant oncocytoma of the lacrimal sac as an unusual cause of epiphora
Hunter K L Yuen
Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, Kowloon, Hong Kong, SAR, China
Ophthal Plast Reconstr Surg 23:70-2. 2007
..Patients with malignant oncocytoma may present with simple epiphora in absence of other signs and symptoms such as blood stained tearing or purulent rhinorrhea...
- Type II enteropathy-associated T-cell lymphoma: a distinct aggressive lymphoma with frequent γδ T-cell receptor expression
John K C Chan
Department of Pathology, Queen Elizabeth Hospital, Hong Kong, SAR China
Am J Surg Pathol 35:1557-69. 2011
..quot;..
- Kuttner tumor of the submandibular gland: fine-needle aspiration cytologic findings of seven cases
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong, People's Republic of China Special Administrative Region
Am J Clin Pathol 117:103-8. 2002
..In combination with the clinical findings, the fine-needle aspiration cytologic findings can strongly suggest the diagnosis of Kuttner tumor and may obviate the need of surgical intervention...
- Pleomorphic adenoma with mucinous and squamous differentiation: a mimicker of mucoepidermoid carcinoma
S P Guo
Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xian, China
Int J Surg Pathol 17:335-7. 2009
..The circumscribed borders of the tumor, gradual merging of mucoepidermoid foci into areas typical of pleomorphic adenoma, and presence of keratinization are features against the latter diagnosis...
- Atypical presentation of Rosai-Dorfman disease in the lacrimal gland mimicking malignancy
Hunter K L Yuen
Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, Kowloon, Hong Kong SAR, People's Republic of China
Ophthal Plast Reconstr Surg 22:145-7. 2006
..Histologic analysis of the biopsy specimen supported a diagnosis of Rosai-Dorfman disease with no lymphadenopathy...
- Atypical epithelial proliferations in acquired renal cystic disease harbor cytogenetic aberrations
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong, SAR China
Hum Pathol 33:761-5. 2002
..These chromosomal aberrations suggest that atypical epithelial proliferations in ARCD represent early neoplastic lesions...
- Extrapancreatic solid pseudopapillary neoplasm: report of a case of primary ovarian origin and review of the literature
Wah Cheuk
Department of Pathology, Queen Elizabeth Hospital, Hong Kong, S A R
Int J Gynecol Pathol 30:539-43. 2011
..The most common sites of occurrence were the mesocolon (with ectopic pancreatic tissue) and ovary. Awareness of the existence of this tumor in various extrapancreatic sites is essential to avoid misdiagnosis...
- Carcinosarcoma ex eccrine spiradenoma of the vulva: report of the first case
Gang Chen
Department of Pathology, Fujian Tumor Hospital, Fuzhou, China
Int J Gynecol Pathol 30:301-5. 2011
..This case represents the first reported case of vulval carcinosarcoma of the skin adnexal origin, and has to be distinguished from sarcomatoid carcinoma of epidermal origin because of a probable more aggressive behavior...
- Test and teach. Fever and disseminated lymphadenopathy in a SLE patient in Hong Kong. Diagnosis: Penicilliosis
George W Y Ng
Department of Medicine, Queen Elizabeth Hospital, Hong Kong
Pathology 38:353-5. 2006
- Advances in salivary gland pathology
W Cheuk
Department of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong
Histopathology 51:1-20. 2007
..Progression of salivary gland tumours can take the form of malignant transformation of a benign tumour, progression from low-grade to high-grade carcinoma, dedifferentiation, or stromal invasion of an in situ carcinoma...
- Anaplastic lymphoma kinase expression in inflammatory pseudotumors
J K Chan
Department of Pathology, Queen Elizabeth Hospital, Hong Kong
Am J Surg Pathol 25:761-8. 2001
..The results also support the heterogeneity of inflammatory pseudotumors, with the follicular dendritic cell/Epstein-Barr virus-positive cases and those occurring in lymph nodes representing different biologic entities...
- Epstein-Barr virus-associated smooth muscle tumors are distinctive mesenchymal tumors reflecting multiple infection events: a clinicopathologic and molecular analysis of 29 tumors from 19 patients
Andrea T Deyrup
Department of Pathology and Laboratory Medicine, Emory University, 1364 Clifron Road NE, Atlanta, GA 30307, USA
Am J Surg Pathol 30:75-82. 2006
..EBV-2 can transform smooth muscle cells, independent of the presence of the LMP1 deletion associated with greater virulence...
- Isolated tumor cells and circulating CK20 mRNA in pN0 colorectal cancer patients
Cesar Sze Chuen Wong
State Key Laboratory in Oncology in South China, Sir Y K Pao Centre for Cancer, Department of Clinical Oncology, Hong Kong Cancer Institute and Prince of Wales Hospital, The Chinese University of Hong Kong, China
Int J Surg Pathol 16:119-26. 2008
..Long-term follow-up is necessary to study their prognostic use in patients with non-metastatic CRC...
- Epstein-Barr virus associated leiomyosarcoma in a patient with systemic lupus erythematosus
Alexander Chak Lam Chan
Pathology 39:358-61. 2007
- Chronic sclerosing dacryoadenitis: part of the spectrum of IgG4-related Sclerosing disease?
Wah Cheuk
Am J Surg Pathol 31:643-5. 2007
- Complication of IgG4-related chronic sclerosing dacryoadenitis by lymphoma
Wah Cheuk
Arch Ophthalmol 126:1170; author reply 1170. 2008
- Sclerosing angiomatoid nodular transformation (SANT): report of 25 cases of a distinctive benign splenic lesion
Maritza Martel
Department of Pathology, The National Cancer Institute, Milan, Italy
Am J Surg Pathol 28:1268-79. 2004
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