A case of pilomatrixoma misdiagnosed as metastatic carcinoma on fine needle aspiration cytology

Preethi, T. R.; Jayasree, K; Ek, Abraham

doi:10.4103/0970-9371.41900

Cited by 13 publications

(15 citation statements)

References 3 publications

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“…This diagnostic triad of basaloid cells, ghost cells, and foreign body giant cell reaction is usually not present in all cases . In the present case, the smears were dominated by basaloid cells leading to a potential diagnostic pitfall.…”

Section: Discussionmentioning

confidence: 56%

Aggressive pilomatrixoma

Gupta

Bansal

Tiwari

et al. 2014

Diagnostic Cytopathology

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We report a case of aggressive pilomatrixoma (PMX) in a 25-year-old male who presented with swelling in left supraclavicular region of 2-month duration. A diagnosis of small round cell tumor was suggested on fine-needle aspiration cytology. He underwent wide excision of the mass. On histomorphological examination, a diagnosis of aggressive PMX was made. The swelling recurred after 3 months of complete resection and on examination had similar morphological features. The case is presented because of the potential diagnostic difficulties on cytological examination and rare occurrence of aggressive variant of PMX.

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Section: Discussionmentioning

confidence: 56%

Aggressive pilomatrixoma

Gupta

Bansal

Tiwari

et al. 2014

Diagnostic Cytopathology

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“…14 This diagnostic triad of basaloid cells, ghost cells, and foreign body giant cell reaction is usually not present in all cases. 15 In the present case, the smears were dominated by basaloid cells leading to a potential diagnostic pitfall. Ieni et al 4 in a study observed that a correct diagnosis of PMX on cytology could be made in only 44% of the cases, and in 40% the pathogonomic ghost cells, giant cells and calcium deposits were absent leading to inaccurate preoperative diagnosis with erroneous clinical management.…”

Section: Discussionmentioning

confidence: 57%

“…This is probably due to difficulty in detaching these cells during aspiration, leading to sampling error. 15 Also, lack of familiarity with the lesion on cytology as observed by Bansal et al 3 is one of the reasons that pure adnexal tumors are under-reported or misdiagnosed.…”

Section: Discussionmentioning

confidence: 99%

Pilomatrixoma: A Diagnostic Pitfall in Fine Needle Aspiration Cytology

Gupta¹,

Gupta²,

Kumar³

et al. 2014

jemds

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“…The diagnostic triad of basaloid cells, ghost or shadow cells, and foreign body giant cells need not necessarily be present in all the cases. [2]…”

Section: Introductionmentioning

confidence: 99%

Pilomatrixoma - presented as hypopigmented tender nodule: Diagnosed by FNAC: A case report with review of literature

et al. 2013

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Pilomatrixoma (PMX) is a skin appendage tumor of hair matrix origin, which usually occurs on the face or upper extremities. Although the lesion can appear at any age, it is commonly seen in children and is more common in females. Despite being better defined, pilomatricomas continue to be frequently misdiagnosed and are not usually considered in differential diagnoses, either in clinical set-up or during cytological reporting. They typically present as a superficial, firm, solitary, slow-growing, painless mass in the dermis. The overlying skin may be normal or exhibit a bluish-red discoloration or ulceration. We report an 18-year-old girl presented with tender, subcutaneous nodule with overlying skin showing atrophy and hypopigmentation. Clinically, it was diagnosed as neurofibroma and sent for FNAC. We offered precise diagnosis of pilomatrixoma on cytological examination, (where chances of wrong diagnosis are very high) and it was subsequently confirmed by histopathology. We discuss the varied clinical presentations, diagnostic difficulties, and differential diagnoses of PMX.

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A case of pilomatrixoma misdiagnosed as metastatic carcinoma on fine needle aspiration cytology

Cited by 13 publications

References 3 publications

Aggressive pilomatrixoma

Aggressive pilomatrixoma

Pilomatrixoma: A Diagnostic Pitfall in Fine Needle Aspiration Cytology

Pilomatrixoma - presented as hypopigmented tender nodule: Diagnosed by FNAC: A case report with review of literature

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