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Dr. Z's Consultations

Tue, 01/06/2009 - 13:52 — Artur Zembowicz M.D. Ph.D.
Dr. Artur Zembowicz, M.D., Ph.D., Founder of Dermpedia Case in Dermatopathology from Harvard Dermatopathology Update CME Course 2005 Case in Dermatopathology from Harvard Dermatopathology Update CME Course 2007 Cases in Dermatopathology from Harvard Dermatopathology Update CME Course 2006

Case collection featuring teaching and consultation cases of Dr. Artur Zembowicz, M.D., Ph.D., (bio  citation) a consultant in dermatopathology, ophthalmic pathology and head and neck pathology.

Consultations to Dr. Zembowicz can be sent to:

Department of Pathology, 6th Floor

133 Brookline Ave

Boston, MA 02215

Tel. (617) 549 1168

or

sumbitted at the website www.DermatopathologyConsultations.com

4.5
Peer Review: 4.5 (2 votes)

Cases associated with this conference:

  • Right arm lesion, 53-year-old woman
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Plexiform schwannoma
    1234

  • 54 year-old HIV-positive male with upper back thickenning.
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Scleredema
  • Inverted follicular keratosis
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Inverted follicular keratosis
    Inverted follicular keratosis 1Inverted follicular keratosis 2Inverted follicular keratosis 3Inverted follicular keratosis 4Inverted follicular keratosis 5

  • Right cheek lesion, 12-year-old girl
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Dermal spindled and epithelioid cell (Spitz) nevus with moderate atypia
    Spitz nevus with moderate atypia 1Spitz nevus with moderate atypia 2Spitz nevus with moderate atypia 3Spitz nevus with moderate atypia 4

  • 11-year-old girl with brown-tan papules on her back and chest
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Halo nevi
    A1A2A3A4B1B2

  • Adnexal tumor versus BCC
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: BCC with trichoepithelial features
    BCC with adnexal featuresBCC with adnexal featuresBCC with adnexal featuresBCC with adnexal features

  • Nevoid melanoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Nevoid melanoma
    Nevoid melanomaNevoid melanomaNevoid melanomaNevoid melanomaNevoid melanomaNevoid melanoma

  • Congenital nevus with proliferative nodules
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Congenital nevus with proliferative nodules
    Congenital nevus with proliferative nodulesCongenital nevus with proliferative nodulesCongenital nevus with proliferative nodulesCongenital nevus with proliferative nodulesKi-67HMB-45

  • Early invasive melanoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Early invasive melanoma
    Early invasive melanomaEarly invasive melanomaEarly invasive melanomaEarly invasive melanomaEarly invasive melanomaEarly invasive melanoma

  • Right temple tumor submitted as "suspicious for sebaceous carcinoma"
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    Right temple lesion clinically suspicious for sebaceous carcinomaRight temple lesion clinically suspicious for sebaceous carcinomaRight temple lesion clinically suspicious for sebaceous carcinomaRight temple lesion clinically suspicious for sebaceous carcinomaRight temple lesion clinically suspicious for sebaceous carcinomaRight temple lesion clinically suspicious for sebaceous carcinoma

  • 15-year-old with "suspicious conjunctival lesion"
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Conjunctival melanocytic nevus
    Conjunctival melanocytic nevusConjunctival melanocytic nevusConjunctival melanocytic nevusConjunctival melanocytic nevusConjunctival cystsConjunctival cysts

  • Atypical acral nevus
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Atypical acral nevus
    Atypical acral nevusAtypical acral nevusAtypical acral nevusAtypical acral nevusAtypical acral nevusAtypical acral nevus

  • Case 10
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    Endocrine mucin-producing sweat gland carcinoma_1Endocrine mucin-producing sweat gland carcinoma_2Endocrine mucin-producing sweat gland carcinoma_3Endocrine mucin-producing sweat gland carcinoma_4Endocrine mucin-producing sweat gland carcinomaEndocrine mucin-producing sweat gland carcinoma

    Event: Didactic Session II: Adnexal tumors
  • Case 9
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    Xray finger Jan 30Xray finger Jan 03clinical
    image    		he2he5he3

    Event: Didactic Session II: Adnexal tumors
  • Kaposi sarcoma, early patch stage
    Author: Sean Klepper M.D.
    Diagnosis: Kaposi sarcoma, early patch stage
    Kaposi sarcoma, early patch stageKaposi sarcoma, early patch stageKaposi sarcoma, early patch stageKaposi sarcoma, early patch stageKaposi sarcoma, early patch stageKaposi sarcoma, early patch stage

  • Malignant blue nevus
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Malignant blue nevus
    Malignant blue nevusMalignant blue nevusMalignant blue nevusMalignant blue nevusMalignant blue nevusMalignant blue nevus

  • Rare variant of a rare tumor.
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Cellular neurothecoma
    Cellular neurothecomaCellular neurothecomaCellular neurothecomaCellular neurothecomaCellular neurothecomaCellular neurothecoma

  • Xanthogranuloma (juvenile type)
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Juvenile xanthogranuloma
    Juvenile xanthogranulomaJuvenile xanthogranulomaJuvenile xanthogranulomaJuvenile xanthogranulomaJuvenile xanthogranulomaJuvenile xanthogranuloma

  • Benign tumor often confused with spitzoid malignant melanoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: To be discussed at the Dermpedia Dermatopathology CME Course in Scottsdale, AZ
    Your diagnosis?Your diagnosis?Your diagnosis?Your diagnosis?Your diagnosis?Your diagnosis?

    Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
  • Pigmented epithelioid melanocytoma from a patient with Carney Complex
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pigmented epithelioid melanocytoma from the patient with Carney Complex
    Carney complex-associated pigmented epithelioid melanocytomaPigmented epithelioid melanocytoma from a patient with Carney ComplexCarney complex-associated pigmented epithelioid melanocytomaCarney complex-associated pigmented epithelioid melanocytomaCarney complex-associated pigmented epithelioid melanocytomaCarney complex-associated pigmented epithelioid melanocytoma

  • Atypical nevus or nevoid melanoma?
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: To be discussed at the Course
    Image 1Image 2Image 10Image 11Image 3Image 4

    Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
  • 12 year old with pigmented conjunctival lesion
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    Image 1Image 2Image 3Image 4Image 5Image 6

    Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
  • Insect bite?
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Insect bite reaction
    Insect bite reactionInsect bite reactionInsect bite reactionInsect bite reactionInsect bite reactionInsect bite reaction

  • Trichoadenoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Trichoadenoma
    TrichoadenomaTrichoadenomaTrichoadenomaTrichoadenoma

  • Frequent diagostic problem
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Combined component and clonal/inverted type A nevus
    Combined clonal/inverted type A nevusCombined clonal/inverted type A nevusCombined clonal/inverted type A nevusCombined clonal/inverted type A nevusCombined clonal/inverted type A nevusCombined clonal/inverted type A nevus

  • Borderline melanocytic tumor (MELTUMP)
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Borderline melanocytic tumor (MELTUMP)
    Borderline melanocytic tumor (MELTUMP)Borderline melanocytic tumor (MELTUMP)Borderline melanocytic tumor (MELTUMP)Borderline melanocytic tumor (MELTUMP)Borderline melanocytic tumor (MELTUMP)Borderline melanocytic tumor (MELTUMP)

    Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
  • Syringotropic melanoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Syringotropic melanoma
    Syringotropic melanomaSyringotropic melanomaSyringotropic melanomaSyringotropic melanomaSyringotropic melanomaSyringotropic melanoma

  • 13 month old African American girl with chronic bullous eruption
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    clinical
    image    		clinical
    image    		clinical
    image    		13 year old African American girl with recurrent bullous lesions13 month old African American girl with chronic bullous eruption13 year old African American girl with recurrent bullous lesions

    Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
  • Pigmented epithelioid melanocytoma from a patient with Carney Complex
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pigmented epithelioid melanocytoma (epithelioid blue nevus of Carney complex)
    Pigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from patient with Carney Complex

  • A small red papule on the upper eyelid in a 27 year old female
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Superficial angiomyxoma
    Superficial angiomyxomaSuperficial angiomyxomaSuperficial angiomyxomaSuperficial angiomyxomaSuperficial angiomyxoma

  • Pigmented epithelioid melanocytoma from a patient with Carney Complex
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pigmented epithelioid melanocytoma (epithelioid blue nevus of Carney complex)
    Pigmented epithelioid melanocytoma from patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney ComplexPigmented epithelioid melanocytoma from a patient with Carney Complex

  • A very rare case
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Conjunctival Rosai-Dorfman disease (sinus histiocytosis with massive adenopathy)
    clinical
    image    		Conjunctival Rosai-Dorfman disease (sinus histiocytosis with massive adenopathy)Conjunctival Rosai-Dorfman disease (sinus histiocytosis with massive adenopathy)Conjunctival Rosai-Dorfman disease (sinus histiocytosis with massive adenopathy)Conjunctival Rosai-Dorfman disease (sinus histiocytosis with massive adenopathy)Conjunctival Rosai-Dorfman disease (sinus histiocytosis with massive adenopathy)

  • Elastosis perforans serpiginosa
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Elastosis perforans serpiginosa
    Elastosis perforans serpiginosaElastosis perforans serpiginosaElastosis perforans serpiginosaElastosis perforans serpiginosa

  • Aplasia cutis congenita
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Aplasia cutis congenita
    Aplasia cutis congenitaAplasia cutis congenitaAplaAplasia cutis congenita

  • Bananas
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Ochronosis (exogeouns)
    Exogenous ochronosisOchronosis (exogenous)Ochronosis (exogenous)Ochronosis (exogenous)

  • Benign process misdiagnosed as squamous cell carcinoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Subungual epidermoid inclusions.
    Subungual epidermoid inclusionsSubungual epidermoid inclusionsSubunqual epidermoid inclusionsSubungual epidermoid inclusionsSubungual epidermoid inclusionsSubungual epidermoid inclusions

  • Case for Dermpedia Scottsdale 2010 Course
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    Your diagnosis?Your diagnosis?Your diagnosis?Your diagnosis?Your diagnosis?Your diagnosis?

    Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
  • A surprise
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Kaposi sarcoma
    Kaposi sarcomaKaposi sarcomaKaposi sarcomaKaposi sarcomaKaposi sarcomaKaposi sarcoma

  • 35 year-old female with suspected melanoma on the right shoulder
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Deep penetrating nevus
    Deep penetrating nevusDeep penetrating nevusDeep penetrating nevusDeep penetrating nevusDeep penetrating nevusDeep penetrating nevus

  • Aggressive digital papillary adenoma/adenocarcinoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Aggressive digital papillary adenocarcinoma
    Aggressive digital papillary adenoma/adenocarcinomaAggressive digital papillary adenoma/adenocarcinomaAggressive digital papillary adenoma/adenocarcinomaAggressive digital papillary adenoma/adenocarcinomaAggressive digital papillary adenoma/adenocarcinomaAggressive digital papillary adenoma/adenocarcinoma

  • Atypical genital melanocytic proliferation in a 25 year-old female
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Atypical nevus of genital type
    Atypical melanocytic nevus of genital typeAtypical melanocytic nevus of genital typeAtypical melanocytic nevus of genital typeAtypical melanocytic nevus of genital typeAtypical melanocytic nevus of genital typeAtypical melanocytic nevus of genital type

  • Classic reactive lymphoid hyperplasia (cutaneous B cell pseudolymphoma)
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Reactive lymphoid hyperplasia (pseudolymphoma)
    Reactive lymphoid hyperplasia (pseudolymphoma cutis)Reactive lymphoid hyperplasia (pseudolymphoma cutis)Reactive lymphoid hyperplasia (pseudolymphoma cutis)Reactive lymphoid hyperplasia (pseudolymphoma cutis)Reactive lymphoid hyperplasia (pseudolymphoma cutis)Reactive lymphoid hyperplasia (pseudolymphoma cutis)

  • A well hidden diagnosis
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Cutaneous leishmaniasis
    LeishmaniasisLeishmaniasisLeishmaniasis

  • A diagnostic pitfall
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Amelanotic cellular blue nevus
    Amelanotic cellular blue nevus_1Amelanotic cellular blue nevus_2Amelanotic cellular blue nevus_3Amelanotic cellular blue nevus_4Amelanotic cellular blue nevus_5Amelanotic cellular blue nevus_6

  • Recurrent nevus
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Recurrent junctional nevus
    Recurrent nevusRecurrent nevusRecurrent nevus

  • Sebaceous adenoma as a clue to Muir-Torre syndrome
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Sebaceous adenoma in a patient with Muir-Torre syndrome
    Sebaceous adenoma in a patient with Muir-Torre syndromeSebaceous adenoma in a patient with Muir-Torre syndromeSebaceous adenomaSebaceous adenomaSebaceous adenomaSebaceous adenoma

  • Great masquarader
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Sebaceous cell carcinoma of the eyelid
    clinical
    image    		Sebaceous carcinoma (initial biopsy)Sebaceous carcinoma (initial biopsy)Sebaceous carcinoma (initial biopsy)Sebaceous carcinoma (initial biopsy)Sebaceous carcinoma (initial biopsy)

  • Always a challenging diagnosis
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Malignant melanoma (spitzoid?)
    Spitzoid melanomaSpitzoid melanomaSpitzoid melanomaSpitzoid melanomaSpitzoid melanomaSpitzoid melanoma

  • Superficial basal cell carcinoma with a bonus diagnosis
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Granuloma faciale
    Granuloma facialeGranuloma facialeGranuloma facialeGranuloma facialeGranuloma facialeGranuloma faciale

  • 32 year-old Caucasian female with suspected melanoma on the proximal forearm
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    Pigmented spindle cell nevusPigmented spindle cell nevus of ReedPigmeneted Spindle Cell Nevus of ReedPigmented Spindle Cell Nevus of ReedPigmented Spindle Cell Nevus of ReedPigmented spindle cell nevus of Reed

  • Acute erythema nodosum with early neutrophilic component or a neutrophilic dermatosis?
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Erythema nodosum (acute)
    clinical
    image    		clinical
    image    		clinical
    image    		Biopsy 1Erythema nodosum-biopsy 2Biopsy_1_Superficial dermis

  • Another "baso/squamo-melanocytic tumor"
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Basomelanocytic tumor
    Basomelanocytic tumorBasomelanocytic tumor2Basomelanocytic tumor7Basomelanocytic tumor3Basomelanocytic tumor4Basomelanocytic tumor5

    Research Project :Melanoma with epithelial differentiation and tumors with epithelial/melanocytic differentiation
  • Typical histology but somewhat unusual age and location
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Myofibroma (adult type)
    Myofibroma_1Myofibroma_2Myofibroma_3Myofibroma_4Myofibroma_5Myofibroma_6

  • Rapidly growing tumor in a preexisting blue nevus
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Malignant blue nevus
    Malignant blue nevus_1Malignant blue nevus_4Malignant blue nevus_2he_3Malignant blue nevus_5Malignant blue nevus_6

  • Early histological changes in glucagonoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Glucagonoma syndrome (necrolytic migratory erythema)
    GlucagonomaGlucagonoma_2Glucagonoma_3Glucagonoma_4Glucagonoma_5Glucagonoma_6

  • Rush biopsy
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Temporal arteritis
    Temporal arteritisTemporal arteritis_2Temporal arteritis_3Temporal arteritis_4Temporal arteritis_5Temporal arteritis_6

    Event: Medilink Training 2nd Dermatopathology Update
  • Interesting pigmented lesion
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Combined dermal and blue nevus
    he1he2he3he4he5

  • Probably the most commonly misdiagnosed dermatosis.
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Acrodermatitis enteropathica (Zn deficiency)
    clinical
    image    		clinical
    image    		he_2HE_1he_3HE_4

    Event: Medilink Training 2nd Dermatopathology Update
  • How to diagnose urticaria histologically?
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Urticaria
    he_01he_02he_03he_04

  • A consultation from Norway
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Malignant neurocristic tumor arising in neurocristic hamartoma
    Malignant neurocristic hamartomaMalignant neurocristic hamartoma_2Malignant neurocristic hamartoma_3Malignant neurocristic hamartoma_5Malignant neurocristic hamartoma_4Malignant neurocristic hamartoma_6

    Event: Medilink Training 2nd Dermatopathology Update
    Research Project :Neurocristic hamartoma and malignant neurocristic hamartoma
  • Pigmented apocrine hamartoma (of the vulva), a new entity or a variant of apocrine hidrocystoma?
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pigmened apocrine hamartoma of the vulva
    HE_1he_2he_3HE_4HE_5HE_6

  • 36 year-old female with a fleshy papule on the left chest below the breast
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Supernumerary nipple
    HE_1he_3he_3

  • 30-year-old male with one year history of changing nodule on the forehead
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Epithelioid hemangioma (angiolymphoid hyperplasia with eosinophilia)
    he_01he_02he_03he_05he_06he_07

  • A 27-year-old male with a skin-colored papule on the left year
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Spitz nevus
    HE_2HE_3HE_4HE_5HE_6he_7

  • 19 year-old female with firm erythematous papules on fingers and palms
    Author: Dr. Catherine A. Hoffman M.D.
    Diagnosis: Perinio
    clinical
    image    		clinical
    image    		he_01HE_2he_03he_04

  • Amelanotic cellular blue nevus
    Author: Mitsuhiro Sugiura M.D., Ph.D.
    Diagnosis: Amelanotic cellular blue nevus
    Amelanotic cellular blue nevusAmelanotic cellular blue nevusAmelanotic cellular blue nevusAmelanotic cellular blue nevusAmelanotic cellular blue nevusAmelanotic cellular blue nevus

  • Papillomatous lesion on the caruncle of a 79 year-old-man
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Sebaceous carcinoma
    he_2he_1he_5

  • 45 year-old woman with recent onset of a rapidly progressing painful rash on both breasts
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Warfarin-induced skin necrosis
    clinical
    image    		clinical
    image    		he_1he_2he_3he_4

    Event: Medilink Training 2nd Dermatopathology Update
  • A 13-year-old boy with a history of Carney Complex and a pigmented lesion
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Carney complex-associated epithelioid blue nevus/pigmented epithelioid melanocytoma
    he_1he_2he_3he_5he_4he_6

    Event: Medilink Training 2nd Dermatopathology Update
  • 58 year old male with erythematous papule on the forehead
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Balloon cell melanoma
    HE_1HE_2HE_3HE_4HE_5HE_6

    Event: Medilink Training 2nd Dermatopathology Update
  • Rapidly growing lower eyelid nodule associated with conjunctival erythema in a 59 year-old woman.
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Ocular sebaceous carcinoma
    he_1he_2he_3he_4he_5he_6

    Event: Medilink Training 2nd Dermatopathology Update
  • Recurrent metastatic vulvar tumor previously diagnosed as poorly different squamous cell carcinoma in a 78 year-old woman
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Adnexal clear cell carcinoma with comedonecrosis
    he_2he_3HE_4Impox-EMAImpox-CEAImpox_keratin_17

    Event: Medilink Training 2nd Dermatopathology Update
  • A 36 year old healthy woman with a non-healing ulceration on the cheek
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Leismaniasis
    HE_1HE_2he_3

  • Clear cell basal cell carcinoma
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Basal cell carcinoma, clear cell variant
    HE_1HE_2HE_3HE_4HE_5Keratin impox

  • Melanoma with areas of epithelial differentiation/malignant basomelanocytic tumor?, Case 1
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Pending
    Keratin-postive melanoma, Case 1, biopsyKeratin-postive melanoma, Case 1, biopsy, transition between mmis and invasiveKeratin-postive melanoma, Case 1, biopsy, Hmb45Keratin-postive melanoma, Case 1, ExcisionKeratin-postive melanoma, Case 1, Excision, medium magKeratin-postive melanoma, Case 1, Excision, invasive basaloid focus

    Research Project :Melanoma with epithelial differentiation and tumors with epithelial/melanocytic differentiation
  • 69 y/o female with longstanding h/o atopic dermatitis with severe flares
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: chronic eczematous dermatitis
    Right thumbnailRight thumbnail 2right upper forehead 1right upper forehead 3right upper forehead 4right upper forehead PASD

    Event: Lahey Clinic Dermatology Grand Rounds 11/19/2008
  • 67 years old woman with pigmented rash
    Author: Artur Zembowicz M.D. Ph.D.
    Diagnosis: Post-inflammatory hyperpigmentation
    clinical
    image    		clinical
    image    		left neck 1Left neck biospy 2left neck 3Left axilla 3

    Event: Lahey Clinic Dermatology Grand Rounds 11/19/2008
  • 44 year old male with acute onset alopecia
    Author: Sarita Nori
    clinical
    image    		clinical
    image    		clinical
    image    		clinical
    image    		clinical
    image    		HE_8

    Event: Lahey Clinic Dermatology Grand Rounds 11/19/2008